Author:
Moore Ralph,Mishra Anupama,Crawford Robert J.
Abstract
The direct and photosensitized photolysis of six methylated-1-pyrazolines is described. Examination of the products suggests that direct photolysis leads to an excited singlet trimethylene, whereas a triplet is produced on benzophenone photosensitization. The trimethylene produced from 4 and 5 is related to the intermediates produced on addition of triplet methylenes to cis- and trans-2-butene. Evidence is presented to support the claim that no intermediate is involved in the addition of singlet methylene to cis-and trans-2-butene.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
80 articles.
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