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THE CLAISEN REARRANGEMENT USING β-ALKYLTHIO-β,γ-UNSATURATED ALCOHOLS. A NEW METHOD FOR THE PREPARATION OF FURANS AND γ-OXOCARBOXYLIC ESTERS
作者:Takeshi Takeda、Tooru Fujiwara
DOI:10.1246/cl.1982.1113
日期:1982.7.5
Various furans and γ-oxocarboxylic esters were prepared by the pivalic acid-promoted Claisen rearrangement using β-alkylthio-β,γ-unsaturated alcohols followed by the treatment of the rearrangement products with an acid catalyst such as hydrochloric acid or sulfuric acid in good yields.
使用β-烷
硫基-β,γ-不饱和醇通过
新戊酸促进的克莱森重排,然后用酸催化剂如
盐酸或
硫酸以良好的收率处理重排产物,制备了各种
呋喃和γ-氧代
羧酸酯.
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Preparation and Reaction of 1-(Methylthio- and phenylthio)vinyllithium Reagents
作者:Takeshi Takeda、Hiroyuki Furukawa、Mizue Fujimori、Kouichi Suzuki、Tooru Fujiwara
DOI:10.1246/bcsj.57.1863
日期:1984.7
An improved procedure for the preparation of 1-(methylthio- and phenylthio)vinyllithium reagents utilizing 2-methoxyalkyl sulfides was developed and their reactions with ketones, aldehydes, oxiranes, and alkyl halides were studied.
开发了一种使用 2-甲氧基烷基
硫化物制备 1-(甲
硫基和苯
硫基)
乙烯基锂试剂的改进方法,并研究了它们与酮、醛、
环氧乙烷和卤代烷的反应。
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TAKEDA, TAKESHI;FURUKAWA, HIROYUKI;FUJIWARA, TOORU, CHEM. LETT., 1982, N 5, 593-596
作者:TAKEDA, TAKESHI、FURUKAWA, HIROYUKI、FUJIWARA, TOORU
DOI:——
日期:——
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TAKEDA, TAKESHI;FUJIWARA, TOORU, CHEM. LETT., 1982, N 7, 1113-1116
作者:TAKEDA, TAKESHI、FUJIWARA, TOORU
DOI:——
日期:——
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FUJIWARA, TOORU;YANAGIHARA, HIROYUKI;YAMADA, TAKAFUMI;SUZUKI, KOICHI;TAKE+, CHEM. LETT., 1985, N 11, 1629-1632
作者:FUJIWARA, TOORU、YANAGIHARA, HIROYUKI、YAMADA, TAKAFUMI、SUZUKI, KOICHI、TAKE+
DOI:——
日期:——