Nitration of 2-Aryl-1,1-dihalocyclopropanes Containing Methyl or Phenyl Group

Gem‐dihalocyclopropanes bearing a phenyl group and an additional group were nitrated by using nitric acid in a sulfuric acid matrix. The products from the nitration of aryl rings are major. The presence of a methyl group on the C(2) position of the cyclopropane ring leads to the isoxazoline from nit...

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Bibliographic Details
Published in:Journal of the Chinese Chemical Society (Taipei) 1998-02, Vol.45 (1), p.193-197
Main Authors: Lin, Lee-Huey, Lin, Shaw-Tao, Yang, Hucy-Ju
Format: Article
Language:English
Subjects:
Dihalogenocyclopropanes
Isoxazoles: Ring-opening process
Nitration
Steric hinderence
Substituent effect
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Summary:Gem‐dihalocyclopropanes bearing a phenyl group and an additional group were nitrated by using nitric acid in a sulfuric acid matrix. The products from the nitration of aryl rings are major. The presence of a methyl group on the C(2) position of the cyclopropane ring leads to the isoxazoline from nitration at the C(1)‐position instead of that from nitration at the C(2)‐position.
ISSN:0009-4536
2192-6549
DOI:10.1002/jccs.199800032