Ethylenic acyl cyanides I.: conjugate addition of allyl and allenylsilanes to ethylenic acyl cyanides.
作者:Abdelkebir Jellal、Maurice Santelli
DOI:10.1016/s0040-4039(00)74530-8
日期:1980.1
δ,ε-Ethylenic (or acetylenic) acyl cyanides, or δ,ε-ethylenic (or acetylenic) acids and their methyl esters, can be obtained by a conjugate addition of allyl (or allenyl) silanes to α,β-ethylenic acyl cyanides.
Studies on enolate chemistry of 8-thiabicyclo[3.2.1]- octan-3-one: enantioselective deprotonation and synthesis of sulfur analogs of tropane alkaloids
作者:Marek Majewski、Marc DeCaire、Pawel Nowak、Fan Wang
DOI:10.1139/v01-157
日期:2001.11.1
Enantioselective deprotonation of 8-thiabicyclo[3.2.1]octan-3-one (1) with chiral lithium amides, followed by reactions with electrophiles affords sulfur analogs of tropane alkaloids of pyranotropa...
Conjugate addition of silyl enol ethers to ethylenic acyl cyanides leads to δ-keto-acids or methyl esthers after hydrolysis or methanolis of reaction products.
在水解或反应产物甲醇化后,将甲硅烷基烯醇醚共轭加成到烯丙基酰基氰上会生成δ-酮酸或甲基酯。
DABCO-Mediated Synthesis and Biological Activity of Cyanohydrin Esters
作者:H. M. R. Hoffmann、Z. M. Ismail、Reiner Hollweg、Abdul R. Zein
DOI:10.1246/bcsj.63.1807
日期:1990.6
Cyanohydrinesters 1–31 have been prepared from α-ketonitriles and aldehydes using DABCO (1,4-diazabicyclo[2.2.2] octane) as nucleophilic acylation catalyst. The modified piperonal 8 was found to inhibit the formation of thromboxane synthetase.