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1  a class of molecules termed 'isocarbostyril alkaloid'.
2 sin I, the most recently isolated communesin alkaloid.
3 e spectra differ from those of the authentic alkaloid.
4 s for the total synthesis of pyrroloindoline alkaloids.
5 or the occurrence of the described imidazole alkaloids.
6 d in the short total synthesis of four venom alkaloids.
7 erpenoid atropurpuran, and other diterpenoid alkaloids.
8 fully decorated aminocyclitol cores of these alkaloids.
9 r ingestion of toxins, such as pyrrolizidine alkaloids.
10 tions allow efficient access to the targeted alkaloids.
11 emine and gelsedine classes of the gelsemium alkaloids.
12 10-fold increase in potency over the natural alkaloids.
13 amides, which are cytotoxic pyrroloquinoline alkaloids.
14  a fascinating class of monoterpenoid indole alkaloids.
15 rinting applied to simple as well as complex alkaloids.
16 ontaneous cyclization affords cinchonamidine alkaloids.
17 s may also be present, such as pyrrolizidine alkaloids.
18 of several novel flavonoids and cyclopeptide alkaloids.
19 heptane-containing member of the hapalindole alkaloids.
20 ion to deliver the heptacyclic core of these alkaloids.
21 lanaceae and other plants containing tropane alkaloids.
22 substituted pyrrolidines, including oxindole alkaloids.
23 ic nitrogenous structures resembling natural alkaloids.
24 hrough the production of biologically active alkaloids.
25 ng that robbers were less tolerant of nectar alkaloids.
26 ine framework commonly found in a variety of alkaloids.
27 hway leading to a large family of polycyclic alkaloids.
28 ctive syntheses of strychnos and chelidonium alkaloids.
29 ethylxanthines, but also biogenic amines and alkaloids.
30 g was also applied to the synthesis of sedum alkaloids.
31                                          The alkaloid (-)-205B has in the past served as a testing gr
32              The synthesis of the piperidine alkaloids (+)-241D, (-)-epimyrtine, and (-)-lasubine II
33 modification, (+/-)-2, of the tazettine-type alkaloid 3-O-demethylmacronine is described.
34 pound zoanone A (1), together with eight new alkaloids, 3beta,14alpha-dihydroxy-28-deoxyzoanthenamine
35 l syntheses of the anticancer isocarbostyril alkaloids (+)-7-deoxypancratistatin, (+)-pancratistatin,
36  formal synthesis of the naturally occurring alkaloid (+)-(9S,13R)-13-hydroxyisocyclocelabenzine.
37 vities of all naturally occurring communesin alkaloids A-I and eight complex derivatives against five
38                           Monoterpene indole alkaloids, a class of specialized metabolites that inclu
39 rgeting the hexacyclic calyciphylline B-type alkaloids, a subfamily of the Daphniphyllum natural prod
40 ytotoxicity, we further profiled this unique alkaloid across panels of discrete molecular targets.
41 nt metals, metal complexes, amphiphiles, and alkaloids allow tailoring properties for known applicati
42 escens root, we found that the quinolizidine alkaloid aloperine is a KCNQ-dependent vasorelaxant that
43  Total syntheses of the monoterpenoid indole alkaloids (+/-)-alstoscholarisine B and C were accomplis
44 s and enones in the presence of the Cinchona alkaloid amine.
45 emical diversity and biological relevance of alkaloids, amines, steroids, and peptides, most aspects
46 e is converted into akuammicine, a Strychnos alkaloid, an elusive biosynthetic transformation that ha
47 ndolo[3,2-c]quinolinones, a class of natural alkaloid analogues of high biological significance.
48 he synthesis of the natural products, spruce alkaloid and (+)-241D.
49  by the concise synthesis of isocryptolepine alkaloid and a series of its synthetic analogues with de
50 imetic total synthesis to access the natural alkaloid and biosynthetic intermediates in racemic form
51 ving amino acids, different phenylpropanoid, alkaloid and terpenoid classes, and ferrochelatase activ
52 igin of Dysoxylum alkaloids, since 6 natural alkaloids and 12 synthetic analogues were obtained with
53  the oroidin family of marine sponge-derived alkaloids and are, for the most part, dimeric in nature.
54 terocycles; and the synthesis of polyhydroxy alkaloids and biologically interesting molecules.
55 pounds like phenylpropanoids and flavonoids; alkaloids and glycosides of flavour-related volatile com
56 this work was focused in the search of these alkaloids and of polyphenols in one monofloral and two m
57 o unreveal potential role of steroidal glyco-alkaloids and phenylpropanoids during early blight resis
58 lic route to tropolone-containing colchicine alkaloids and provides insights into the unique chemistr
59 n of all known epoxide-containing communesin alkaloids and related derivatives is described.
60 egy that can produce a wide range of complex alkaloids and related structures for future biomedical i
61 ion of eight major aglycones of polyphenols, alkaloids and sapogenins in 20 differently sourced night
62                          Total antinutritive alkaloids and sapogenins in all nightshade leaves were e
63 e safe for feed consumption, since the ergot alkaloids and the regulated mycotoxins were below their
64 e-activity relationships (SAR) of colchicine alkaloids and their analogues with modified A, B, and C
65                                Pyrrolizidine alkaloids and their derivatives often feature interestin
66    The biosynthesis of the N. fumigata ergot alkaloids and their relation to those produced by altern
67 eliopine, and potentially other schizozygine alkaloids and unnatural derivatives.
68 ent of the absolute (S)-configuration of the alkaloid, and together, these data engender the structur
69  derivatives, 26.6% are terpenoids, 5.7% are alkaloids, and 17% are classified as other metabolites.
70 g phenolic acids, organic acids, flavonoids, alkaloids, and betanin, more than 80 showed greater than
71 eraniol, the precursor of monoterpene indole alkaloids, and cannabigerolic acid, the cannabinoid prec
72 cusing on monoterpenoids, monoterpene indole alkaloids, and cannabinoids.
73 tically important amino acids, cannabinoids, alkaloids, and fatty acids, the high altitude temperate
74 lkaloid molecules such as ergot, hapalindole alkaloids, and related heterocyclic compounds.
75 embers of polyene macrocycles, pyrroloindole alkaloids, angucyclines, and leupeptins chemical familie
76 amine H, isodaphlongamine H, and a bioactive alkaloid, annotinolide A, which shows antiaggregation ac
77          The dimeric diketopiperazine (DKPs) alkaloids are a diverse family of natural products (NPs)
78                Tetrahydroisoquinoline (THIQ) alkaloids are an important group of compounds that exhib
79 ry metabolites that comprise the diterpenoid alkaloids are categorized into C18, C19, and C20 familie
80 highly bridged frameworks of the diterpenoid alkaloids are discussed in the context of eight recent s
81 ticular, sulfonamide derivatives of cinchona alkaloids are highly enantioselective desymmetrization c
82                                       Indole alkaloids are important natural compounds with interesti
83 The fungal-derived bicyclo[2.2.2]diazaoctane alkaloids are of interest to the scientific community fo
84 ne, and (+)-malagashanol, three other indole alkaloids, are reported.
85                The studied compounds include alkaloids, aromatic compounds, flavonoids, volatiles, se
86 volved in the biogenesis of hapalindole-type alkaloids as a new family of calcium-dependent enzymes,
87                 We used vincamine, an indole alkaloid, as a synthetic starting point for dramatic str
88 am-containing drugs, and naturally occurring alkaloids, as well as for the selective cyanation of the
89  insights on the synthesis of these strained alkaloids, as well as mild conditions for the exhaustive
90 uantify scopolamine alongside sister tropane alkaloid atropine, a known ECL interferent.
91 /oxa-Michael addition cascade using cinchona alkaloid-based chiral bifunctional amino-squaramide cata
92  frogs sequester lethal amounts of steroidal alkaloid batrachotoxin (BTX) in their skin as a defense
93  of plant natural products, including indole alkaloids, benzylisoquinoline alkaloids, hydroxycinnamic
94            The effects of the well-tolerated alkaloid Berberine (BRB), used for treating metabolic di
95  of infected oranges showed diffusion of the alkaloids between the orange layers after 4 days post in
96  a few compounds from the benzylisoquinoline alkaloid (BIA) family of THIQs, low product titers imped
97 ydropapaveroline (THP), a benzylisoquinoline alkaloid (BIA) precursor to opioid analgesics.
98 has been long postulated, benzylisoquinoline alkaloid (BIA) transporters from opium poppy (Papaver so
99                           Benzylisoquinoline alkaloids (BIAs) are a major class of plant metabolites
100                           Benzylisoquinoline alkaloids (BIAs) are a structurally diverse class of pla
101                       The benzylisoquinoline alkaloids (BIAs) are an important group of secondary met
102 o the cellular mechanisms involved in opiate alkaloid biosynthesis in opium poppy.
103 pitulate the spatial organization of tropane alkaloid biosynthesis in plants.
104 trictosidine as a key intermediate in indole alkaloid biosynthesis.
105  first-generation synthetic route toward the alkaloid bisindigotin.
106 tion of complex natural products such as the alkaloids brucine and strychnine, leading to interesting
107 m produces more than 40 structurally related alkaloids, but most studies have focused on just two of
108 nt enantioselective strategy to access these alkaloids by use of a challenging palladium-catalyzed as
109 ides, glycopeptides, terpenoids, macrolides, alkaloids, carbohydrates, and others.
110 ped and validated to measure tobacco-related alkaloids, carcinogens, and their metabolites in raw was
111 of four to now six different natural product alkaloid classes by distinguishing late stage key strate
112 xicity toward zebrafish embryos of Dysoxylum alkaloids, comparing their toxicity with that of their c
113 ns, for example, outstanding higher level of alkaloid compounds (e.g., imidazoles) in rice straw burn
114  MYMD-1 is a synthetic derivative of tobacco alkaloids, compounds that possess immunoregulatory prope
115 ntact with infected oranges for 48 h, showed alkaloid concentrations >=10 ug kg(-1) on epicarp layer.
116                                     However, alkaloid concentrations of >20 ppm were deterrent to B.
117 ne (1), a member of the securinega family of alkaloids containing an unusual oxazabicyclo[3.3.1]nonan
118 ns have been performed into the synthesis of alkaloids containing this structure.
119   Poppy seeds can be contaminated with opium alkaloid-containing latex, e.g. during harvesting.
120 f reward chemistry - nectar sugar and pollen alkaloid content - impacted competition for bumblebee vi
121 its, namely, vernalization requirement, seed alkaloid content, and resistance to anthracnose and Phom
122                  Organ-based correlations of alkaloid content, OMT activity in crude extracts, and OM
123 omestication in term of protein profiles and alkaloid content.
124 e, as well as a single locus regulating seed alkaloid content.
125                              The five marine alkaloids corrected herein each contain an indole sulfam
126                           Previously the two alkaloids could not be distinguished from one another us
127                              These imidazole alkaloids could thus be applicable as specific intake bi
128 hort formal syntheses of pyrrolidinoindoline alkaloids (+/-)-CPC-1 and (+/-)-alline.
129 hesis of the complex hexacylic Daphniphyllum alkaloid (-)-daphlongamine H has been accomplished.
130 udies indicate that concentration of tropane alkaloids decreases, and it depends on the compound, obs
131 orms can facilitate the discovery of tropane alkaloid derivatives as new therapeutic agents for neuro
132 of carbohydrates, amino acids and indol- and alkaloid-derivatives.
133  of cryptolepine, a pharmacologically active alkaloid derived from the roots of Cryptolepis sanguinol
134 med at the identification of novel imidazole alkaloids derived from histamine or histidinol and gener
135 g effect between the chirality of a cinchona alkaloid-derived aminophosphine ligand for the silver(I)
136 pair of compounds, 4, assigned to the marine alkaloid discoipyrrole D is reported.
137          The C19-oxo-functionalized eburnane alkaloids display unique chemical structure and interest
138  response of breast cancer patients to Vinca alkaloid drug treatment.
139                Thus, the human uptake of the alkaloids during beer consumption is in the low milligra
140               These results demonstrate that alkaloids enhance pollinator flower constancy, opening n
141  nonracemic total synthesis of the bioactive alkaloid (-)-epibatidine.
142  We herein tested the activity of solenopsin alkaloids extracted from two species of fire ants agains
143 ient access to the aspidoalbidine hexacyclic alkaloid family in an efficient manner.
144 rocyclization reaction, generates the marine alkaloids (-)-fasicularin 2 and a pro-forma synthesis of
145 dine and other arcutinidine-type diterpenoid alkaloids feature an intricate polycyclic, bridged frame
146 ctive syntheses of hexacyclic aspidoalbidine alkaloids (+)-fendleridine (2) and (+)-acetylaspidoalbid
147                 Papaverine is a non-narcotic alkaloid found endemically and uniquely in the latex of
148 ic configuration compared to the other major alkaloids found in this natural product class.
149 o facilitate the syntheses of the polycyclic alkaloids (-)-FR901483 (1) and (+)-TAN1251C (2).
150 osynthetically unrelated indole- and morphan-alkaloid fragments are described.
151 ging, we identified that neferine, a natural alkaloid from Nelumbo nucifera, induces autophagy by act
152 nts of the core stereotriad of the yohimbine alkaloids from a common intermediate.
153                                      Tropane alkaloids from nightshade plants are neurotransmitter in
154 esis of (22 R)- and (22 S)-27-norspirosolane alkaloids from tigogenin, epismilagenin, and smilagenin
155 d, in particular, the hallucinogenic tropane alkaloid functionality within complex matrices.
156 cluster co-localizes with a tomato steroidal alkaloid gene cluster and is syntenic to a chromosome 12
157 ties are used for both, pharmaceutical opium alkaloid generation and poppy seed production for food u
158 s from 4 were also shown to categorize their alkaloid guests according to their structural similarity
159  compounds were synthetized from the natural alkaloid haemanthamine and tested in vitro for their eff
160 everse prenylation of the tetracyclic indole alkaloid hapalindole U at its C-2 position.
161       Despite five decades of research, this alkaloid has remained an elusive target for chemical syn
162     A five-step total synthesis of Dysoxylum alkaloids has been achieved using a biomimetic approach
163 dine, a caged pentacyclic monoterpene indole alkaloid, has been accomplished in both racemic and enan
164                         Bis(cyclotryptamine) alkaloids have been popular topics of study for many dec
165 ugars, proteins, capsaicinoids, fatty acids, alkaloids have been shown to have alpha-amylase and alph
166                                              Alkaloids have not been detected, and the presence of fl
167                           The phenethylamine alkaloid hordenine, present in germinated barley, was id
168 cluding indole alkaloids, benzylisoquinoline alkaloids, hydroxycinnamic acid amides, phenylacetaldehy
169 eered baker's yeast to produce the medicinal alkaloids hyoscyamine and scopolamine, starting from sim
170                              The psychedelic alkaloid ibogaine has anti-addictive properties in both
171 has been demonstrated by the analysis of the alkaloid in human serum and urine samples.
172                       Mitragynine, the major alkaloid in Mitragyna speciosa (kratom), had higher affi
173               Piperine, as the most abundant alkaloid in pepper, gained a lot of attention for possib
174  and highest yielding total synthesis of the alkaloid in three steps and a 36% overall yield.
175 lly investigating the occurrence of suchlike alkaloids in a variety of foodstuffs.
176                             We conclude that alkaloids in Aconitum spp. nectar affect rates of both p
177 aracterised, but the potential role of these alkaloids in animal pathogenesis has not been studied ex
178  Echinopsis pachanoi) cross section, tropane alkaloids in jimsonweed ( Datura stramonium) fruits and
179    In this study, the degradation of tropane alkaloids in pasta under boiling (100 degrees C during 1
180     So far, risk assessments regarding opium alkaloids in poppy seeds were mainly based on the morphi
181 od for the quantitation of several imidazole alkaloids in tomato products.
182 s of several BIAs, including six non-natural alkaloids, in cascades from l-tyrosine and analogues.
183      Plants manufacture more than 3,000 THIQ alkaloids, including the opioids morphine and codeine.
184 t years, poppy seed contamination with opium alkaloids, including thebaine, gave repeatedly reasons f
185 ntly higher levels of numerous pyrrolizidine alkaloids involved in plant defence.
186 sadine and related dimeric pyrrole-imidazole alkaloids is a synthetic challenge.
187                        Monitoring of tropane alkaloids is regulated in the European Union in cereal-b
188                   Mattogrossine is an indole alkaloid isolated from Strychnos mattogrossensis that co
189 ]oxy-6-(hydroxymethyl)oxane-3,4,5-triol], an alkaloid isolated from the root of Panax ginseng, slows
190                              Among defensive alkaloids isolated from ladybugs, the heterodimeric memb
191 The okaramines are a class of complex indole alkaloids isolated from Penicillium and Aspergillus spec
192                             The isoquinoline alkaloids isolated from the genus Corydalis possess pote
193  core in the eastern portion of the Veratrum alkaloids jervine (1), cyclopamine (2), and veratramine
194 formal racemic syntheses of tricyclic marine alkaloids, lepadiformines A, B, and C as well as their C
195                             The Aspidosperma alkaloids leuconoxine, melodinine E, and mersicarpine we
196 ey challenge in the synthesis of diterpenoid alkaloids lies in identifying strategies that rapidly co
197 id bufalin (from Chinese toad venom) and the alkaloid lycorine (from Amaryllidaceae species) to be ef
198      The observed polypharmacology of kratom alkaloids may support its utilization to treat opioid us
199 monstrated with a synthesis of the Sceletium alkaloid mesembrane.
200           For the first time, Amaryllidaceae alkaloids, metabolites with important biological activit
201 quinazoline structures including the natural alkaloids, methylisatoid and cephalanthrin B, in high yi
202 pharmaceutically valuable monoterpene indole alkaloids (MIAs) in Catharanthus roseus are derived from
203  than a hundred different monoterpene indole alkaloids (MIAs).
204 alyl linker offering rapid access to complex alkaloid mimics in very few experimentally simple steps:
205 a potential precursor for synthesizing a few alkaloid molecules such as ergot, hapalindole alkaloids,
206 method to determine the content of six opium alkaloids (morphine, codeine, thebaine, noscapine, papav
207 f the sponge-derived dibrominated bis-indole alkaloids, namely, echinosulfone A (2) and the echinosul
208 ective total synthesis of the norditerpenoid alkaloid nigelladine A is described.
209 een used in the synthesis of other strychnos alkaloids, no investigations have been performed into th
210 reaction was applied to the synthesis of the alkaloid nuciferine in three steps.
211 plexity and exhibiting pharmaceutical (poppy alkaloids), nutritional (rosemary extracts) or cosmetics
212                         Colchicine, the main alkaloid of Colchicum autumnale, is one of the most famo
213 iosynthesis of indole and benzylisoquinoline alkaloids of plant origin, some of which have pharmacolo
214 s), macaenes, macamides, glucosinolates, and alkaloids) of maca (root and aerial parts).
215 vity relationship-guided substitution of ETP alkaloids offers versatile derivatization while maintain
216 , nor did it counteract the toxic effects of alkaloids on the parasites.
217                           The first cinchona-alkaloid-organocatalyzed enantioselective synthesis of c
218                                Pyrrolizidine alkaloids (PA) are secondary metabolites of plants, whic
219                                Pyrrolizidine alkaloids (PAs) are found to be toxic pollutants emitted
220                                Pyrrolizidine alkaloids (PAs) are toxic secondary metabolites produced
221 ntrol mechanism for the bifurcation of these alkaloid pathway branches.
222 ly engineered a shortened benzylisoquinoline alkaloid pathway to produce (S)-norcoclaurine in yeast.
223                     In plant-derived ajmalan alkaloid pathways, the biosynthetic intermediate vomilen
224                       The tremorgenic fungal alkaloid paxilline (PAX) is a commonly used specific inh
225 ing efforts to reconstruct plant isoprenoid, alkaloid, phenylpropanoid, and polyketide biosynthetic p
226 esis of arborisidine, a unique Kopsia indole alkaloid possessing a fully substituted cyclohexanone ri
227  first in a new class of pyrroloiminoquinone alkaloids possessing a highly strained multibridged ring
228 choice for Chagas disease treatment, the ant alkaloids presented a lower selectivity index.
229  Paralysis Factor (SPF), a novel tetracyclic alkaloid produced by the rotifer Rotaria rotatoria.
230  aliphatic aldehydes to give enantioenriched alkaloid products with up to 99% ee STRs are thus valuab
231 c catalysis conditions with dimeric cinchona alkaloids, providing excellent enantiocontrol of the pro
232  enantioselective synthesis of the yohimbine alkaloids (-)-rauwolscine and (-)-alloyohimbane.
233          Curvulamine and related polypyrrole alkaloids represent a fascinating new class of natural p
234                                    Erythrina alkaloids represent a rich source of complex polycyclic,
235      Fungal bicyclo[2.2.2]diazaoctane indole alkaloids represent an important family of natural produ
236  due to the high risk that these tremorgenic alkaloids represent to human health.
237 sis of hybrubin A, a bipyrrole tetramic acid alkaloid representing a new carbon framework derived fro
238  subunits present in Aspidosperma and Kopsia alkaloids, respectively, en route to highly efficient sy
239                                       Marine alkaloid rigidins are cytotoxic compounds known to kill
240 pful to annotate specific compounds, such as alkaloids, saponins, flavonoids, and terpenoids, which a
241  of a chiral quaternary carbon center in the alkaloid scaffold is introduced.
242 rk provides a blueprint for building diverse alkaloid scaffolds and enables the targeted overproducti
243 nitroolefins, giving important pyrrolizidine-alkaloid scaffolds.
244 rometry (LC-MS) results found hallucinogenic alkaloids scopolamine and atropine in the quids, while s
245 tive on the biosynthetic origin of Dysoxylum alkaloids, since 6 natural alkaloids and 12 synthetic an
246  The sensor displays good selectivity toward alkaloid species and, in particular, the hallucinogenic
247 motypes that contain different levels of the alkaloid speciofoline.
248 s used in the total synthesis of the Stemona alkaloid (-)-stemaphylline in just 11 steps (longest lin
249                                        Opium alkaloids such as morphine and thebaine occur in the lat
250                            Prenylated indole alkaloids such as the calmodulin-inhibitory malbrancheam
251 inding and functional profiles of the kratom alkaloids, suggesting potential utility for managing pai
252 ere a good match for closely related oroidin alkaloids, supporting the structure of the synthetic mat
253 r more quaternary stereocenters render these alkaloids synthetically challenging.
254 mmetric syntheses of all eight tetraponerine alkaloids (T1-T8) were achieved using the diastereoselec
255               A closer monitoring of tropane alkaloids (TA) in foods is now recommended by the Europe
256                                      Tropane alkaloids (TAs) are a class of phytochemicals produced b
257    Despite disparate biosynthetic machinery, alkaloid, terpene, and polyketide-producing organisms ha
258                             All three kratom alkaloids tested inhibited select cytochrome P450 enzyme
259 chemical features in common with the complex alkaloid tetrodotoxin.
260  nicotine, a highly addictive, plant-derived alkaloid that binds to nicotinic acetylcholine receptors
261                    Papaverine (a nonnarcotic alkaloid that has been used for the treatment of heart d
262                       Noscapine is a natural alkaloid that is used as an antitussive medicine.
263 nd liriodenine are plant-derived aporphinoid alkaloids that exhibit potent inhibitory activity agains
264              Quinolactacins are novel fungal alkaloids that feature a quinolone-gamma-lactam hybrid,
265 reviously undescribed sarpagine-like N-oxide alkaloids that have been targeted and isolated from the
266 covery of a new class of pyrroloiminoquinone alkaloids that possess selective bioactivity against pan
267               As a result of exposure to the alkaloids, the parasites became swollen and rounded in s
268           Despite having a lower quantity of alkaloids, the skin extracts from yellow frogs provoked
269 d on the morphine level, whereas other opium alkaloids thereunder thebaine could not be finally evalu
270 ecies known for its content in pyrrolizidine alkaloids, this work was focused in the search of these
271 s, through dearomatizing ortho-substitution; alkaloids, through Hofmann-type elimination; tropolone a
272 polone and furan, through cycloaddition; and alkaloids, through three-component fragmentation-couplin
273 s roseus produces bioactive terpenoid indole alkaloids (TIAs), including the chemotherapeutics, vincr
274 ne, which are classified as terpenoid indole alkaloids (TIAs).
275 expand the potential application of B. caapi alkaloids to other brain disorders that may benefit from
276 terpenoids to the periderm and sesquiterpene alkaloids to the cortex layer of Tripterygium roots.
277  total synthesis, we found that the peptidic alkaloid tryptorubin A can be one of two noncanonical at
278 l total synthesis of the famous arrow poison alkaloid tubocurarine.
279 the first successful entry toward the curare alkaloids (+/-)-tubocurine and (+/-)-curine.
280 een described for the synthesis of versatile alkaloid-type azetidines from simple building blocks wit
281 ative methods for the synthesis of versatile alkaloid-type compounds from oxiranylmethyl tetrahydrois
282 f representative members of the schizozygine alkaloids, (+)-vallesamidine and (+)-14,15-dehydrostremp
283 henols were determined, but no pyrrolizidine alkaloid was detected in the analysed honey samples.
284 erized to a planar enamine intermediate, the alkaloid was eventually obtained as a 1:1 mixture of C6
285       Fragmentation pattern for cyclopeptide alkaloids was proposed via ESI-MS.
286 our quest to discover new monoterpene indole alkaloids, we demonstrate the utility of the MetWork pla
287                 Selected indole-based kratom alkaloids were evaluated for their opioid and adrenergic
288              Commencing from tyrosine, these alkaloids were fashioned through a dimerization, macrocy
289 ted analysis was performed and other tropane alkaloids were found, as scopine, tigloidine or convolvi
290          Remarkably, all of the investigated alkaloids were only quantifiable in tomato-based product
291  possible scaffolds for bis(cyclotryptamine) alkaloids were originally postulated in the 1950s, but o
292                                          The alkaloids were prepared from readily available dinorchol
293 substituted and spiro-tetrahydroisoquinoline alkaloids were readily prepared in one-step and high yie
294                         Piperine (PIP) is an alkaloid which is potent as a therapeutic agent.
295 compounds, two 14-ring-membered cyclopeptide alkaloids, which were named opuntisines A and B, were el
296 natively, can isomerize to form perakine, an alkaloid with a structurally distinct scaffold.
297 l synthesis of (+)-granatumine A, a limonoid alkaloid with PTP1B inhibitory activity, in ten steps.
298     (-)-Himeradine A is a complex lycopodium alkaloid with seven rings and ten stereogenic centers th
299 e and efficient synthetic route toward these alkaloids would allow for improvements in their solubili
300 P homologs facilitated dramatic increases in alkaloid yields.

 
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