Reactions of dilithiooximes, dilithiophenylhydrazones and trilithiohydrazones with nitriles. Acid-cyclization to isoxazoles or pyrazoles
作者： Charles F. Beam , Robert S. Foote , Charles R. Hauser
关键词: Stereochemistry 、 Organic chemistry 、 Chemistry
摘要: Certain C(α)O-dilithiooximes, C(α)N-dilithiophenylhydrazones, and C(α)N,N-trilithiohydrazones were treated with a variety of nitriles. The intermediates not isolated, but cyclized acid to give isoxazoles or pyrazoles.
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