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1 ntanes, 1,6-disubstituted diamantanes, and 1-substituted adamantane ammonium ions by direct and compe
2 er ZnI2 as catalyst for the preparation of 1-substituted or CdI2 for the synthesis of 1,3-disubstitue
6 yield of 51-99% when cyclopropanes with a 2-substituted alkenyl group as a donor underwent isomeriza
9 -free approach for the synthesis of 3-aryl-2-substituted quinolines and 4-arylacridines has been deve
10 es with "opposite" chiralities of the endo-2-substituted-5,6-norbornene skeleton, can be prepared usi
12 A and B are two enantiomerically pure endo-2-substituted-5,6-norbornenes with "opposite" chiralities
13 hdrawing groups are well tolerated to form 2-substituted dihydroquinolines and dihydroisoquinolines.
15 rious nucleophiles, giving access to 4-[N-(2-substituted)piperazin-1-yl]-5H-1,2,3-dithiazoles in mode
18 )4] forms enone products with a variety of 2-substituted cyclic enamides and 3,4-dihyro-2H-pyrans.
20 lar double carboalumination of unactivated 2-substituted 1,5-dienes, which provides efficient and dir
22 a reactions of the bromoporphyrins yielded 2-substituted or 2,12-disubstituted porphyrins with red-sh
23 ormational analysis suggested that trans-3''-substituted trioxolanes would exhibit Fe(II) reactivity
25 that the most active compounds were the N(3)-substituted uracil derivatives containing 6-(4-bromophen
26 One property of chemical bonding renders 1,3-substituted allenes chiral, making them attractive targe
27 hodology allows for the preparation of 1,2,3-substituted borocyclopropanes in high yields and diaster
28 oration of a series of biphenyl-N-[4-[4-(2,3-substituted-phenyl)piperazine-1-yl]alkyl]carbamates, a n
30 reoselective synthesis of optically active 3-substituted piperidines via ring expansion reaction.
32 4- and 1,2-addition reactions of allyl and 3-substituted allylsilanes to indolizidine and quinolizidi
34 is strategy, finding that incorporation of 3-substituted azetidine groups allows rational tuning of t
35 regioselectivity of the hydroarylation of 3-substituted phenyl propargyl ethers catalyzed by cationi
37 ation, -arylation, and -heteroarylation of 3-substituted pyrazoles have been achieved using K2CO3-DMS
38 c study of the N-substitution reactions of 3-substituted pyrazoles under basic conditions has been un
39 In this study inspired by previous work on 3-substituted Asp analogues, we designed and synthesized a
41 We report a dual probe system based on 4'-substituted biphenyl-2-carboxylic acids (BPAs) for analy
44 of 2-iodo enol esters leading to 4- and 3,4-substituted isocoumarins was accomplished selectively at
47 -deazapurine ribonucleosides (derived from 4-substituted thieno[2',3':4,5]pyrrolo[2,3-d]pyrimidines a
48 developed by catalytic desymmetrization of 4-substituted cyclohexanones with O-arylhydroxylamines and
51 dy, we investigated a systematic series of 4-substituted-2-pyridylquinazolines in terms of their inhi
52 des, under palladium catalysis, to produce 4-substituted homopropargyl alcohols and 5-en-3-yn-1-ols,
53 )-5-substituted oxazoles and their related 4-substituted-5-(3',4',5'-trimethoxyphenyl) regioisomeric
54 ized by a change in the orientation of the 4-substituted TEMPO derivatives with the increasing substi
55 ort the synthesis and evaluation of novel 5'-substituted amiloride derivatives as hA2AAR allosteric a
58 ar heteroannulation of newly synthesized 4,5-substituted 3-amino- or 3-hydroxy 2-functionalized thiop
60 eazaadenine and -7-deazaguanine as well as 5-substituted uracil and cytosine 2'-deoxyribonucleosides
61 -1-(trimethylsilyloxy)-1-propene result in 5-substituted-1,3-cyclohexadienes after removal of the met
65 ple 2-methyl-4-(3',4',5'-trimethoxyphenyl)-5-substituted oxazoles and their related 4-substituted-5-(
67 Structural determinants of affinity of N(6)-substituted-5'-C-(ethyltetrazol-2-yl)adenosine and 2-chl
69 P), we previously identified a series of 4,6-substituted 2-aminopyrimidines that associate with this
70 s could be further transformed into chiral 6-substituted 5,6-dihydrophenanthridines as important stru
73 s of hybrid compounds incorporating 6- and 7-substituted coumarins (carbonic anhydrase, CA inhibitors
75 nical candidate, this structurally related 7-substituted 2-nitro-5,6-dihydroimidazo[2,1-b][1,3]oxazin
77 es of pyrazolo[1,5-a]quinazoline 3- and/or 8-substituted as 5-deaza analogues of previous reported py
79 n of global gene-knockout, single-amino-acid-substituted, as well as floxed mice that can be used for
82 -5-ene (TBD) to yield a well-defined, alkene-substituted degradable polymer, which was used as a comm
83 readily generate the bicyclic alkyl-/alkenyl-substituted stannylenes, ArSn(norbornyl) (2a or 2b) and
84 reactions were accomplished with an alkenyl-substituted pyrimidine, pyrazine, thiazole, quinoxaline,
86 -, heteroaryl-, alkenyl-, alkynyl- and alkyl-substituted allylic phosphates may thus be converted to
87 substrates (e.g., aryl-, benzyl-, and alkyl-substituted allylic sulfides) and alpha-diazo esters.
88 Interestingly, aryl-substituted and alkyl-substituted alpha-diketones produced different products:
89 hioamides with aryl-, heteroaryl-, and alkyl-substituted dioxazolones under the Cp*Co(III) -catalyzed
90 alenediimide motifs thus far, branched alkyl-substituted PIID[2F]T polymers are particularly promisin
92 rs a direct route for the synthesis of alkyl-substituted chiral aziridines from achiral starting mate
94 ing-opening polymerization (ROP) of an allyl-substituted caprolactone monomer was carried out using t
95 ed the conformation of three chiral N(alpha)-substituted, N(beta)-Boc protected alpha-hydrazinoacetam
96 ective alkylation step proceeds via an alpha-substituted malonate-imidazolidinone enolate in its Z-co
101 e kinetics of a series of reactions of alpha-substituted carbanions with reference electrophiles to e
102 atalyzed dynamic kinetic resolution of alpha-substituted cyclohexanones has been performed and yields
104 It was found that the reaction with alpha-substituted five- to seven-membered cyclic amines procee
105 tions that the tau torsion of the meta-amino-substituted BDI systems leads to a zwitterionic twisted
106 ides a new synthetic route to valuable amino-substituted phosphiranes and phosphirenes, respectively.
107 derivatives have also been discovered: anion-substituted compounds where the complex borohydride anio
109 substituted thioureayl alanines and aromatic-substituted amino tetrazolyl alanines were successfully
110 Thus, a variety of aliphatic- and aromatic-substituted thioureayl alanines and aromatic-substituted
112 ioselective coupling protocol between 3-aryl-substituted-1,1-diphenyl-2-azaallyl derivatives and viny
113 found to be general for both alkyl- and aryl-substituted enones, providing the corresponding 4-oxopip
114 f two readily available partners, gamma-aryl-substituted alkynoates and alcohols, under mild conditio
116 allows the construction of a variety of aryl-substituted imidazo[2,1-b]benzothiazoles, -[2,1-b]thiazo
117 s, the rate enhancements in a series of aryl-substituted methylenecyclopropanes correlate with sigma(
118 diene products bearing either alkyl- or aryl-substituted benzylic stereocenters are afforded in excel
120 e rates of the reactions of the arylsulfonyl-substituted carbanions carrying alpha-chloro and alpha-b
122 e to yndiamides, a novel class of double aza-substituted alkyne, has been established by the copper(I
123 shift (deltaNA) of the five different azine-substituted 1,2,4-triazole ligands employed, L(azine) =
124 on-carbon triple bond activation of benzylic-substituted propargyl alcohols by a seleniranium ion, an
125 rt an intramolecular cyclization of benzylic-substituted propargyl alcohols promoted by iron(III) chl
126 ne was reacted with aldehydes to access beta-substituted alpha-fluoroalkenyl pyrrolidines in one step
129 ion between 2-mercaptobenzaldehydes and beta-substituted vinyl PT-sulfones has been realized for the
131 s an optical indicator composed of a bismuth-substituted yttrium iron garnet thin film, and visualize
134 racterization of the crystal packing of a Br-substituted Biginelli-like derivative, while computation
138 transformation provides a new approach to C-substituted unsaturated morpholine derivatives that are
140 Upon deprotonation of the NH group, a C6F5-substituted formazan undergoes facile cyclization as a r
146 tively, the regioselective assembly of 3-CF3-substituted pyrazoles can be performed via two-step one-
148 c elaboration to produce, for example, a CF3-substituted 2-oxa-4,7-diazabicyclo[3.3.0]octan-3-one sys
152 tion-null T53A DAT relative to WT and charge-substituted T53D DATs, consistent with functions related
154 transfer of both P and Cl atoms from chloro-substituted dibenzo-7lambda(3) -phosphanorbornadiene.
155 quinolines by selective metalation of chloro-substituted quinolines with metal amides followed by rea
157 reactive sites were consumed by chlorine, Cl-substituted functional groups (Cl-DOM) are reacting with
159 investigation of structural evolutions of Cu-substituted Co3 O4 supplemented by first-principles calc
161 thoxy-1-vinylcyclopropane, whereas deuterium-substituted 1-methoxycyclopropyl-d3-methylcarbene underg
162 substituents, halides, isolated mono- and di-substituted double bonds, esters, silyl ethers, and sily
163 two equivalents of HN(NO2 )2 afforded the di-substituted borate anion consisting of two isomers, one
166 n characterization of 3,7- and 2,6-dithienyl-substituted NBA molecules and corresponding isomeric NBA
170 anism in which chain extension with fluorine-substituted extender units switches largely to an acyl c
171 leading to a first generation of fluoroalkyl-substituted quinoline tau binding ligands with suboptima
172 or enantioselective synthesis of fluoroalkyl-substituted Z-homoallylic tertiary alcohols has been dev
174 cks, we examined high-pressure frozen/freeze-substituted alfalfa root cap cells with electron microsc
175 tly with temperature, forming mixtures of Ga-substituted In2O3 and In-substituted beta-Ga2O3 with dif
177 elective rhodium-catalyzed reaction of gamma-substituted enoldiazoacetamide with nitrosobenzene produ
178 This method opens a rapid access to gamma-substituted propyl-1,1-diesters, ketoesters, cyanoesters
179 e(mu-P)2 GeL2 ] 4 and bis(germyliumylidenyl)-substituted diphosphene [(L2 Ge-P=P-GeL2 )] 5 could also
185 ical evaluation of novel C9- and C11-hydroxy-substituted hexahydrocannabinol (HHC) and tetrahydrocann
186 nd synthesized a collection of novel hydroxy-substituted heteroarylpiperazines and heteroarylhomopipe
188 ming mixtures of Ga-substituted In2O3 and In-substituted beta-Ga2O3 with different degrees of substit
189 Moreover, we showed that all other indole-substituted analogs of Trp undergo methylation at varyin
190 2 and H2 capture capacities of the Li(+)-ion-substituted CD-MOF have been shown to exceed the highest
191 pirocin P, which contains a 7-hydroxy-6-keto-substituted THP, from a DeltamupP strain and chemical co
192 e units, 15 elastin-like units, and 1 lysine-substituted elastin-like unit) with GAG GM-0111, we crea
197 atures a C3-symmetric ligand motif with meta-substituted phenyl spacers, which enables the host to in
198 selectively and fully deuterated syn methyl-substituted Criegee intermediates under atmospheric cond
200 iation/alkylation chemistry while the methyl-substituted spiropyrrolidines were synthesized by 1,4-ad
201 BH3 THF with K[N(NO2 )2 ](-) produced a mono-substituted [BH3 N(NO2 )2 ](-) anion, which contains a B
202 he kinetics of the reactions of monoacceptor-substituted ethylenes (H2C horizontal lineCH-Acc, 1) and
203 e-light irradiation, typical mono- and multi-substituted aromatic olefins could be converted into ket
205 to attack C8 of intermediate 4a, affording N-substituted pyridones, while phenylmethanamine, 2-phenyl
206 etween potassium selenocyanate (KSeCN) and N-substituted ortho-halobenzamides to form 2-alkyl-1,2-ben
209 e conformational heterogeneity of backbone N-substituted peptides limits their ability to adopt stabl
210 by the microwave-assisted reaction between N-substituted 5-aminopyrazoles 1 and 3-(3-oxo-2-benzofuran
212 gical profiling of natural product-derived N-substituted 2,4-dodecadienamides as a selective endocann
214 uctive cleavage enables the preparation of N-substituted cis 5-amino-3-hydroxypiperidines from a read
220 h by simple grinding of 1-haloalkynes with N-substituted pyrroles and potassium carbonate which playe
221 s of 1,3-disiloxanediols, including naphthyl-substituted and unsymmetrical siloxanes, has been quanti
222 lo[3,2-c]isoquinolin-5-amines, the first NH2-substituted derivatives of 1H-pyrrolo[3,2-c]isoquinoline
225 on of a partial positive charge on the nitro-substituted carbon in both transition state and product
227 ry amines as nucleophiles to afford nitrogen-substituted benzo[b][1,6]naphythyridines while primary a
230 gonists that introduce a bicyclic nortropine-substituted benzothiazole carboxylic acid moiety onto a
233 es, four tetra-O-substituted and one hepta-O-substituted, have been resolved by enantioselective HPLC
235 five chiral resorcin[4]arenes, four tetra-O-substituted and one hepta-O-substituted, have been resol
237 locyanine fused in peripheral positions octa-substituted with alkyl linked carbazole has been prepare
238 ertaken to determine the influence of ortho'-substituted nucleophilic groups (OH, NH2, or NHR) on the
239 nic esters and a N-activator to afford ortho-substituted benzylic boronic esters with formal 1,1'-ben
243 cantly higher yields were achieved for ortho-substituted substrates than para ones, probably due to t
244 The synthetic strategy starting from ortho-substituted benzene units to construct five-membered rin
247 molecular 1,3-dipolar cycloaddition of ortho-substituted 1,1,1-trifluoromethylstyrene-derived nitrone
248 which function as ready precursors of ortho-substituted 8-aryl BODIPY derivatives by reaction with b
249 adienes are also formed in the case of ortho-substituted arylalkynes by a metathesis-type process.
250 on of the association constant (Ka) of ortho-substituted boronic acids in solution showed that Ka for
251 rapping of the benzylic cations by the ortho-substituted oxygen and nitrogen nucleophilic groups.
253 direct irradiation of diphenyl sulfide and p-substituted thioanisoles in the presence of oxygen was i
255 t of corresponding SF5- or CF3-acetates of p-substituted cinnamyl alcohols with triethylamine followe
256 folds endowed at the C6 position with a para-substituted phenethyl side chain, which could be exploit
258 arylanilines that contain flanking meta/para-substituted aromatic rings adjacent to the central anili
262 alkylation has also been achieved using para-substituted phenoxypyrimidine and 3 mol equiv of the dia
265 A simple method for accessing perfluoroalkyl-substituted enones is described applying a four-componen
268 We report here the synthesis of 7-phenoxy-substituted 3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-di
269 protocol for the synthesis of certain phenyl-substituted carboxylic acids from 2-phenylcycloalkanones
270 n an increase in the concentration of phenyl-substituted dihomooxacalix[4]arene bidentate urea, volta
272 91/6-31G(d,p)) on terminal and phenylethynyl-substituted 5,6-diethynylquinoxaline and 6,7-diethynylqu
276 ent enantioselective synthesis of quaternary-substituted thiazolines through the organo-catalyzed hal
278 s are difficult to generate, and the alpha-S-substituted analogues are configurationally unstable.
281 riles enabled the direct synthesis of sulfur-substituted benzo[b][1,6]naphthyridines via multiple bon
282 ivity in the hydrogenation of tri- and tetra-substituted alkenes with TON > 8000 for the hydrogenatio
285 g accompanied by CH2 extrusion yielded tetra-substituted sulfamidates with an aminomethyl group.
286 be observed at room temperature for thienyl-substituted phenazines without any heavy metals ( Ratzke
288 eoselective nucleophile attack for 2,3-trans-substituted five-membered ring oxocarbenium ions is stro
290 eaction mixture generated mono-, di- and tri-substituted sugar complexes and their hydrolysis product
291 building blocks and 1,1-bis(trifluoromethyl)-substituted alkenes can be prepared under ambient condit
293 higher-energy (Z) isomers of trifluoromethyl-substituted alkenes through cross-metathesis reactions w
294 ical precursors, an array of trifluoromethyl-substituted alkenes undergoes radical defluorinative alk
295 the asymmetric synthesis of trifluoromethyl-substituted cyclopropanes by means of myoglobin-catalyze
297 atalyzed reactions of beta-triisopropylsilyl-substituted enoldiazo compounds with sulfur ylides.
299 ansformation, yielding both alkyl- and vinyl-substituted boronate esters containing chiral tetrahydro
300 6 literature ligands, known as bpp(X,Y) [X,Y-substituted 2,6-(pyrazol-1-yl)pyridines], which have pro
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