全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Lun Li , Qing‐Yun Chen , Yong Guo
来源:[J].ChemInform, 2014, Vol.45 (4), pp.no-noWiley
摘要:Abstract(#br)Compounds (III) and (V) containing an all‐carbon quaternary center are synthesized by allylic C—H alkylation of allylarenes (I) with esters (II) and (IV).
作者:Xiu‐Yun Sun , Yong‐Hui Sun , Yu Rao
来源:[J].ChemInform, 2014, Vol.45 (44), pp.no-noWiley
摘要:Abstract(#br)Key steps of the new synthesis of (6‐amino‐2‐chloro‐3‐fluorophenyl)methanol (V) presented is the stepwise palladium‐catalyzed halogenation which gives the product in an overall yield of 18% over four steps.
作者:Guobin Ma , Wen Wan , Jialiang Li ...
来源:[J].ChemInform, 2015, Vol.46 (3), pp.no-noWiley
摘要:Abstract(#br)The introduction of a terminal CF2COOEt group in a broad range of simple and complex alkenes under very mild conditions is reported.
作者:Tatiana Besset , Thomas Poisson , Xavier Pannecoucke
来源:[J].ChemInform, 2015, Vol.46 (15), pp.no-noWiley
摘要:Abstract(#br)The alkynylcopper substrates are prepared as yellow solids and directly used in the reaction with the inexpensive ester (II) under mild conditions.
作者:Vitalij V. Levin , Alexey L. Trifonov , Artem A. Zemtsov ...
来源:[J].ChemInform, 2015, Vol.46 (18), pp.no-noWiley
摘要:Abstract(#br)A nucleophilic difluoromethylation of reactive Michael acceptors, aldehydes, and azomethines is described.
作者:Jacek Kwiatkowski , Yixin Lu
来源:[J].ChemInform, 2015, Vol.46 (26), pp.no-noWiley
摘要:Abstract(#br)The asymmetric Michael addition of α‐fluoro‐α‐nitro esters with β‐substituted nitroolefins using a quinine‐derived bifunctional thiourea catalyst yields the addition products with good enantioselectivity but only low diastereoselectivity.
作者:Qihua Zhu , Dezhong Ji , Tingting Liang ...
来源:[J].ChemInform, 2015, Vol.46 (52), pp.no-noWiley
摘要:Abstract(#br)Conditions A) are highly suitable for the direct fluorination process and various functionalities are tolerated including amino acid derivative (III).
作者:Takashi Yamazaki , Noriko Mano , Reo Hikage ...
来源:[J].ChemInform, 2015, Vol.47 (3), pp.no-noWiley
摘要:Abstract(#br)Various title esters are obtained with high (E)‐stereoselectivity by condensation reactions of in situ produced halogenated ketones with Horner—Wadsworth—Emmons reagents.
作者:Maxim A. Novikov , Nikolai V. Volchkov , Maria B. Lipkind ...
来源:[J].ChemInform, 2016, Vol.47 (15), pp.no-noWiley
摘要:Abstract(#br)The synthesis of the 2‐fluoroallylic ethers, esters, and alcohols involves the isomerization of the gem‐fluorohalocyclopropanes to 2‐fluoroallylic halides followed by nucleophilic substitution of a halide with an O‐nucleophile.
作者:Kohsuke Aikawa , Daisuke Kondo , Kazuya Honda ...
来源:[J].ChemInform, 2016, Vol.47 (18), pp.no-noWiley
摘要:Abstract(#br)In the presence of a (S)‐DTBM‐SEGPHOS‐derived Pd‐catalyst a three‐component coupling giving α‐halodifuoromethylated α‐hydroxy esters with quaternary stereocenters.

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