CATALYSIS OF ENE REACTIONS BY LITHIUM PERCHLORATE

Citation
Ag. Davies et Wj. Kinart, CATALYSIS OF ENE REACTIONS BY LITHIUM PERCHLORATE, Perkin transactions. 2, (11), 1993, pp. 2281-2284
Citations number
34
Categorie Soggetti
Chemistry Physical","Chemistry Inorganic & Nuclear
Journal title
ISSN journal
03009580
Issue
11
Year of publication
1993
Pages
2281 - 2284
Database
ISI
SICI code
0300-9580(1993):11<2281:COERBL>2.0.ZU;2-W
Abstract
The ene reaction of some allylic hydrocarbons, and the metallo-ene rea ction of some allyltin compounds, with 1,3,4-triazoline-2,5-diones or with diethyl azodicarboxylate as enophiles, in diethyl ether are stron gly catalysed by lithium perchlorate. Azobenzene, on the other hand, r eacts slowly with alkyltin compounds, undergoing hydrostannation. The reaction of cholesterol or of tributylallyltin with singlet oxygen is subject to a smaller catalysis.