Stereocontrolled radical reactions in carbohydrate and nucleoside chemistry.
摘要:
The radicals, generated by photolysis of 2,3-dimethyl ketals of N-hydroxy-2- thiopyridone uronic esters, reacted stereoselectively with electron deficient olefins leading to highly functionalised chain-elongated pentafuranosides, hexapyranosides and pentafuranosyl-nucleosides through the 4,5 and 4' radicals, respectively.
A new radical decarboxylation reaction for the conversion of carboxylic acids into hydrocarbons
作者:Derek H. R. Barton、Hussein A. Dowlatshahi、William B. Motherwell、Didier Villemin
DOI:10.1039/c39800000732
日期:——
trans-9-hydroxy-10-phenylthio-or -10-chloro-9,10-dihydrophenanthrene are smoothly reduced under neutral conditions by tri-n-butylstannane to furnish, by radical elimination, phenanthrene and the nor-hydrocarbon formed from decomposition of the corresponding acyloxy radical.