Diodantunezone首先从马Lan丹(马鞭草科)中分离出来,最初分配为8-hydroxy-4,9-dihydronaphtho [2,3 - b ] furan-4,9-dione 1a,但后来将其结构修改为5-hydroxy-4 ,9-二氢萘并[2,3- b ]呋喃-4,9-二酮2a。描述了地丹单酮2a及其甲基醚5-甲氧基-4,9-二氢萘并[2,3 - b ]呋喃-4,9-二酮2b的区域特异性合成。还描述了两个2-乙基呋喃萘醌14a和14b的制备。已显示所有四个醌对三种细胞系均具有细胞毒活性(1.3–17.4μmoldm -3)。
Diodantunezone首先从马Lan丹(马鞭草科)中分离出来,最初分配为8-hydroxy-4,9-dihydronaphtho [2,3 - b ] furan-4,9-dione 1a,但后来将其结构修改为5-hydroxy-4 ,9-二氢萘并[2,3- b ]呋喃-4,9-二酮2a。描述了地丹单酮2a及其甲基醚5-甲氧基-4,9-二氢萘并[2,3 - b ]呋喃-4,9-二酮2b的区域特异性合成。还描述了两个2-乙基呋喃萘醌14a和14b的制备。已显示所有四个醌对三种细胞系均具有细胞毒活性(1.3–17.4μmoldm -3)。
The birch reduction of heterocyclic compounds V Birch reduction of 2- and 5-acylfuran-3-carboxylic acids and reductive elimination of 2-(arylmethoxymethyl)furan-3-carboxylic acids
The Birchreduction of 2- and 5-acylfuran-3-carboxylic acid 1 and 4 gave 2-acyl-2,3-dihydrofuran-3-carboxylic acid 2 and 5-acyltetrahydrofuran-3-carboxylic acid 5, respectively. Further examination of the reductive elimination was also studied on 2-(arylmethoxymethyl)furan-3-carboxylic acids 7.
The Rapid Reduction of α,α-Diaryl Alcohols To The Corresponding Alkanes Using lodotrimethylsilane
作者:Philip J Perry、Vasilios H Pavlidis、lan G C Coutts
DOI:10.1080/00397919608003868
日期:1996.1
The utility of iodotrimethylsilane has been extended to include the rapid and highly selective reduction of alpha,alpha-diaryl alcohols. The reduction of a series of alpha-hydroxyfuroic acids in near quantitative yield has been demonstrated and the mechanism discussed.