Photolysis of diazomethane in (S)-2-methyloxetane gives 2- and 3-methyltetrahydrofuran (1:3.2), the latter being formed with 21 % net retention of configuration. In contrast, rhodium acetate catalysis yields racemic 3-methyltetrahydrofuran exclusively.
Reaction of 1,3-Dienes with Nucleophiles Catalysed by [1,2-Bis(dialkylphosphino)-ethane] palladium Complexes
作者:P. W. Jolly、N. Kokel
DOI:10.1055/s-1990-27010
日期:——
A(η2-butadiene)[1,2-bis(dialkylphosphino)ethane]palladium complex catalyses the reaction of 1,3-dienes with active hydrogen compounds or alcohols to give 1:1 adducts in high yield under moderate conditions.
The anodic oxidation of some cyclopropane carboxylic acids
作者:L.B. Rodewald、M.C. Lewis
DOI:10.1016/s0040-4020(01)91691-6
日期:1971.1
Products, and other observations, are reported for anodic oxidation of several methyl substituted cyclopropane carboxylic acids. Implications regarding the mechanism(s) for production of cationic species are discussed.