Author:
Cohen Huguette,Benezra Claude
Abstract
The addition of 14 dimethyl aryl- and alkyldiazomethylphosphonates, RC(N2)P(O)(OCH3)2, to norbornadiene has been studied and the stereochemistry of the resulting exo-Δ1-pyrazolines determined by n.m.r. The anti/syn ratio of the cycloadducts is discussed in terms of steric and electronic factors. For alkyldiazomethylphosphonates steric factors are the dominant ones, while with aryldiazomethylphos-phonates electronic factors seem to be of importance.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
15 articles.
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