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1 recursor such as an alkene (also known as an olefin).
2 of a stereochemically defined disubstituted olefin.
3 erstand the stereoselectivity of the product olefin.
4 for stereochemical control over the forming olefin.
5 The Cl atom product was trapped with an olefin.
6 of H2 cleavage and hydrogen transfer to the olefin.
7 ctional groups several carbons away from the olefin.
8 erated by a trans to cis isomerization of an olefin.
9 om source (PhSiH3 ) or an electron-deficient olefin.
10 ons according to the photochemically excited olefin.
11 l,N'-tosyl diamine derivatives directly from olefin.
12 product, and a polymer precursor from simple olefins.
13 ariety of electron-rich and electron-neutral olefins.
14 itiation rates of these catalysts with trans olefins.
15 or the selective generation of both E- and Z-olefins.
16 tronically-differentiated donor and acceptor olefins.
17 e nascent polyketide intermediate to provide olefins.
18 reoselective cyclopropanation of unactivated olefins.
19 atalysts for the hydrosilylation of terminal olefins.
20 roperties, resulting in great selectivity to olefins.
21 lecular three-component amino oxygenation of olefins.
22 f facile geometric isomerization of nonrigid olefins.
23 e clusters during the hydrogenation of light olefins.
24 f functionalized as well as unfunctionalized olefins.
25 l hypothesis for singlet carbene addition to olefins.
26 xide, from the oxidation of a broad range of olefins.
27 operationally simple conditions (1 equiv of olefin, 1 atm O2 or air) with reduced Pd(II)/bis-sulfoxi
28 Starting from a chiral furanone, the nitrone-olefin [3 + 2] cycloaddition can be used to obtain bicyc
30 selectively, but also kinetically produce E-olefins, a previously unmet challenge in olefin metathes
34 thetically useful transformations, including olefin amination and directed carbon-hydrogen (C-H) bond
35 rt a new catalytic method for intermolecular olefin aminofluorination using earth-abundant iron catal
36 id, an aldehyde, an allylic alcohol, an aryl olefin, an alpha substituent, or amino acid residues was
38 lly endergonic relative to their constituent olefin and amine starting materials and thus are not acc
40 n oxidant that can add the nitrido ligand to olefin and sulfide sites as well as oxidize cyclohexadie
41 lefins and naphthenes via protonation of the olefin and the transfer of the hydride to the carbenium
42 ross-dehydrogenative coupling between simple olefins and alkylnitriles bears advantages over the conv
43 ated substrates beyond 1,3-dienes to include olefins and alkynes; this provides a new synthetic route
44 flexible linear carboxylic acids, alcohols, olefins and amines in both monomer and peptide settings.
45 transfer dehydrogenation of hydrocarbons to olefins and discuss a complete cycle based on a combined
46 g halide and (thio)ether substituents, while olefins and ester groups are not compatible with the rea
47 selective for epoxidations of electron-rich olefins and explain why Ti-based catalysts have been ide
48 rlongumine (PL), which contains two reactive olefins and inhibits proliferation in cancer cells but n
49 f methanol, hydrogen transfer occurs between olefins and naphthenes via protonation of the olefin and
51 ross-metathesis reactions between Z-internal olefins and Z-1,2-dichloroethylene or Z-(CF3)CH horizont
53 ) was conjugated to glutathione at the C7-C8 olefin, and this complex was bound to the active site of
54 on reactions, the reduction of electron-poor olefins, and the reductive coupling of benzyl bromide vi
55 e cocatalyst are active for ethylene + amino olefin [AO; H2 C=CH(CH2 )n NR2 ] copolymerizations in th
58 oor, and internal styrenes, as well as alpha-olefins, are functionalized with alpha-halocarbonyls and
59 e abundance of alkanes as well as the use of olefins as building blocks in the chemical community.
61 he scarce examples of halocyclizations using olefins as nucleophilic counterparts and allows the synt
62 A range of mono-, di-, and trisubstituted olefins as well as alkyl- and arylthioamides with variat
63 uble bond permutations containing conjugated olefins as well as both cis- and trans-olefins, providin
65 oduce long-chain n-aldehydes, 1-alcohols and olefins, as well as n-paraffins over potassium-promoted
68 on of mono-, di-, tri-, and tetrasubstituted olefins at the alpha-carbon of amino acid derivatives.
70 reover, this reactivity was extended into an olefin-based Minisci reaction to functionalize heterocyc
73 sm that makes an electrophilic attack on the olefin bond possible as the attack on the aldehyde carbo
74 s, in addition to propenes, are base.HCl and olefin-bound, cyclometalated dimers [RuCl(kappa(2)-H2IMe
75 mately found not to be active with diterpene olefins but converted the recently discovered, unstable
77 bly, reduction of the nucleophilicity of the olefin by the second, inductively electron-withdrawing h
79 m of reaction of N-(3-pyridyl)aldimines with olefins can be explained by an asynchronous [4+2] cycloa
80 horizontal lineO bond formation in terminal olefins can be initiated by a combination of the Pd(II)
81 f carbenoids offers a connective approach to olefins capable of precisely targeting a given isomer re
83 excellent olefin/paraffin selectivity, high olefin capacity, rapid adsorption kinetics, and low raw
84 mputational studies suggest that a disulfide-olefin charge-transfer complex is possibly responsible f
87 as Cu(I) and Ni(0), with ethylene and other olefins, complexation of d(10) Zn(II) to simple olefins
89 typical mono- and multi-substituted aromatic olefins could be converted into ketones and aldehydes at
90 on of alkyl groups to give the corresponding olefins could open almost unlimited avenues to functiona
91 ad range of electronically diverse amide and olefin coupling partners is amenable to this transformat
93 re of the synthesis is the utilization of an olefin cross-metathesis strategy, which provides for an
95 carbenes have been inert, or shown to favor olefin cyclopropanation and heteroatom-hydrogen insertio
96 yclopropanes by means of myoglobin-catalyzed olefin cyclopropanation reactions in the presence of 2-d
100 n is a new iron-catalyzed diastereoselective olefin diazidation reaction which occurs at room tempera
102 sistent with a catalytic mechanism involving olefin-dione oxidative coupling to form an oxa-osmacyclo
104 eport a catalytic, vicinal difluorination of olefins displaying broad functional group tolerance, usi
105 athesis approach for accessing macrocyclic E-olefins entails selective removal of the Z-component of
106 results allowed earlier work of de Visser on olefin epoxidation by diiron complexes and QM-cluster st
107 work-substituted zeolites have been used for olefin epoxidation reactions for decades, yet the underl
113 ition of a carbon-centered radical across an olefin followed by oxidation to form a 5-membered oxocar
114 disubstituted alkynes that were reduced to Z-olefins followed by borepin formation either through an
115 ce-selective oxidation of their Delta(12,13) olefins followed by bromoallene installation allowed acc
116 d Ti-mediated alkyne reduction, leading to Z-olefins, followed by direct lithiation and borepin forma
117 as alkylating agents, the use of unactivated olefins for alkylations has become attractive from both
118 tivation at Ir(I) here is in contrast to the olefin-free catalysis with state-of-the-art Ir complexes
121 ic hydrogenation of largely unfunctionalized olefins, from the first reports to the advent of chiral
122 alized and unfunctionalized tetrasubstituted olefins, from the reports of Zhou and Buchwald for funct
123 etrochemical feedstocks while preserving the olefin functionality as a handle for further chemical el
126 N'')3 ] were treated with the N-heterocyclic olefin H2 C=C(NMeCH)2 , which constitutes a new, general
127 hesis of tetrasubstituted acyclic all-carbon olefins has been developed via a stereoselective enoliza
128 rene diazonium salts with electron deficient olefins has been exploited for the synthesis of phenylpr
132 nds arising from oxidative alkenylation with olefins, hydroarylation with alkynes, and iodination wit
136 a strategy that difunctionalizes unactivated olefins in 1,2-positions with two carbon-based entities.
140 for Ni-catalyzed dicarbofunctionalization of olefins in styrenes by intercepting Heck C(sp(3))-NiX in
141 on of stereochemistry followed by reversible olefin insertion to form a (cyclopropylcarbinyl)nickel c
142 nd are consistent with an oxidative addition/olefin insertion/reductive elimination mechanism for eac
143 nt in selectivity arises from enhanced metal-olefin interactions induced by increased charge density
144 We have developed a strategy to transform olefins into homoallylic nitriles through a mechanism th
146 Stereoselective phosphinidene transfer to olefins is consistent with singlet phosphinidene reactiv
147 eospecific N-H- and N-alkyl aziridination of olefins is reported that uses hydroxylamine-O-sulfonic a
151 fins, complexation of d(10) Zn(II) to simple olefins is too weak to form isolable complexes due to th
152 Although the addition of acid halides across olefins is well-studied, limitations remain with a numbe
153 s were formed with moderate to excellent (E)-olefin isomer selectivity (74:25 to 97:3) and with excel
155 ination of [Pd(OAc)2]3-boronate-PCy3-enabled olefin isomerization at 80 degrees C has been investigat
156 ich is chiral and racemic, by base-catalyzed olefin isomerization followed by kinetic resolution of 2
158 the gold(III) n-butyl complex 3b shows that olefin isomerization takes place after beta-hydride elim
161 ed ring indene skeleton is also prepared via olefin isomerization, 1,2-addition followed by cyclizati
162 Use of ethylene can also cause adventitious olefin isomerization-a particularly serious problem when
163 ghly enantioselective hydrogenation for both olefin isomers in the case of alpha,beta-dialkylvinyl es
164 ese studies are the first to report a set of olefin isomers that synergistically inhibit GGDPS, thus
169 the overhand knot end groups by ring-closing olefin metathesis affords a single enantiomer of the tre
179 pment of catalyst-controlled stereoselective olefin metathesis processes has been a pivotal recent ad
185 and through applications in stereoselective olefin metathesis where Z-alkene substrates are required
186 nsive computational study of stereoretentive olefin metathesis with Ru-dithiolate catalysts has been
189 a notable effect on broadening the scope of olefin metathesis, as the stability of methylidene compl
195 ddition/nitrogen extrusion, and a remarkable olefin migration through a vinylcyclopropane retro-ene/e
196 ase that acts on CPP to produce the abietane olefin miltiradiene, but also their subcellular localiza
199 route in catalytic conversion of methanol to olefins (MTO) for the formation of nonolefinic byproduct
201 zes the addition of a phenol to the terminal olefin of a reverse prenyl group to give a dihydrobenzof
203 rough covalent adduct formation at the C7-C8 olefin of PL, whereas the C2-C3 olefin of PL was postula
207 electron density of both the nucleophile and olefin on the reactivity, site selectivity, and enantios
211 back to the metal, generating an isomerized olefin, or (2) add intramolecularly to a double bond, ge
212 eworks all exhibit an increased affinity for olefins over paraffins relative to their corresponding s
215 The chemical industry is dependent on the olefin/paraffin separation, which is mainly accomplished
217 terials for carbon capture and separation of olefin/paraffin, acetylene/ethylene, linear/branched alk
218 sed pi-backbonding at the stage of the metal-olefin pi-complex plays a critical role in facilitating
219 n AS18 latex-coated surface-sulfonated cyclo-olefin polymer (COP) capillary column with an inner diam
221 y unique properties such as high activity in olefin polymerization and alkane dehydrogenation (M = Cr
222 ic complexes, which are key intermediates in olefin polymerization and oligomerization, are presented
224 o establish a general platform for selective olefin polymerization in a high surface area solid promi
225 actions and to highlight its applications in olefin polymerization, alkane hydrogenolysis, depolymeri
226 imination/transfer events in metal-catalyzed olefin polymerization, which provide the well-studied ex
228 nd analogous late-transition-metal-catalyzed olefin polymerizations, and a number of carbonylative me
233 T calculations show strong adsorption of the olefin produced, leading to further unwanted reactions.
234 able functional groups which appear in alpha-olefins produced by the chemical industry, and they appe
235 e manipulation of the system for large scale olefin production with hydrocarbon chains lengths equiva
237 and theoretical studies, we propose that the olefin promotes a Rh(III) intermediate to undergo oxidat
238 asymmetric hydrogenation of tetrasubstituted olefins provides direct access to very useful biological
239 the inherent thermodynamic preference of an olefin, providing synthetically useful quantities of a k
240 gated olefins as well as both cis- and trans-olefins, providing an unrivaled model system for polyket
243 obutanes by controlled heterodimerization of olefins remains a substantial challenge, particularly in
245 rwent BF3.Et2O-mediated Et3SiH reduction and olefin ring-closing metathesis (RCM) using Ru(II) cataly
247 Here we demonstrate a catalytic carbonyl-olefin ring-closing metathesis reaction that uses iron,
249 An Eyring plot for beta-hydride elimination-olefin rotation-reinsertion is constructed from variable
250 retentive catalysts that not only generate Z-olefins selectively, but also kinetically produce E-olef
255 2C6F5)12 in the presence of a less activated olefin such as isobutylene results in the production of
257 in the gas phase, and its reactivity against olefins, sulfides, and substrates with weak C-H bonds st
258 resolved in the design of iron catalysts for olefin syn-dihydroxylation with potential utility in org
260 tilizes alkyl/arylzinc reagents derived from olefin-tethered alkyl/aryl halides that undergo radical
263 CuH)-catalyzed hydroamination of unactivated olefins, the substantially enhanced reactivity of copper
264 cular aldehyde alpha-methylene coupling with olefins to construct both cyclic and acyclic products, r
265 [2+2] dimerization reaction of these acyclic olefins to construct cyclobutanes in a highly regio- and
267 terically hindered tri- and tetrasubstituted olefins to give products containing quaternary centers.
268 process directly converts readily available olefins to internal vicinal fluoro carbamates with high
269 addition of Br-CX3 (X=Cl or Br) to terminal olefins to introduce a trihalomethyl group and generate
270 elopment of the iron-catalyzed conversion of olefins to radicals and their subsequent use in the cons
271 ytic C-C bond-forming reactions that convert olefins to value-added products remains an important obj
272 oaddition of nitrileimines and electron-poor olefins, to detect fumarate via fluorescent pyrazoline c
273 ts has been tested for ethenolysis of cyclic olefins toward the goal of selectively forming alpha,ome
274 tion with the judicious choice of subsequent olefin-type difunctionalization reactions, permits rapid
276 lectively converting linear alkanes to alpha-olefins under mild conditions is a highly desirable tran
279 hydrogen bonds (addition of C-H bonds across olefins) using regular olefins or 1,3-dienes up to May 2
280 methylenecyclopropanation reaction of simple olefins, utilizing 1,1-dichloroalkenes as vinylidene pre
281 ronic acids to react with electron-deficient olefins via radical addition to efficiently form C-C cou
285 rmation of aminobromine was observed when an olefin was treated with the reagent in dry CH2Cl2 at roo
289 of stoichiometric quantities of sacrificial olefin, which is hydrogenated to consume the H2 equivale
290 ighly hindered trisubstituted alpha-branched olefins, which when coupled with a cationic azaspirocycl
291 yclization yields a highly strained bicyclic olefin whose surface chemistry was hitherto unknown.
292 artner provides access to either the E- or Z-olefin with excellent yield and stereochemical fidelity.
293 precatalyst for homogeneous hydrogenation of olefins with a wide substrate scope under 1 bar H2 press
294 ere we describe a simple method of accessing olefins with any substitution pattern or geometry from o
295 ng for a variety of terminal monosubstituted olefins with aryl electrophiles using Pd and CuH catalys
296 ondary alkyl amines to a wide range of alkyl olefins with complete anti-Markovnikov regioselectivity.
297 ands have been recently employed to generate olefins with high E-selectivity (>99% E) but have been l
298 an catalyze the cyclopropanation of styrenyl olefins with high efficiency and selectivity, interest i
299 of the vicinal difluoride moiety from simple olefins without a prefunctionalization step remains cons
300 te that Co2(m-dobdc) can produce high purity olefins without a temperature swing, an important test o
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