The title reaction affords two main kinds of products: (i) pyrazole derivatives due to cycloaddition of a nitrile imine intermediate to the ethylenic bond; (ii) open-chain carbonyl compounds due to the electrophilic attack of a nitrilium-like carbocation to the ethylenic bond. Mechanistic possibilities are discussed.
SILVER CARBONATE PROMOTED REACTION OF HYDRAZONYL CHLORIDES WITH ALLYLIC ALCOHOLS / L. GARANTI, G. MOLTENI, G. ZECCHI. - In: HETEROCYCLES. - ISSN 0385-5414. - 40:2(1995), pp. 777-786.
SILVER CARBONATE PROMOTED REACTION OF HYDRAZONYL CHLORIDES WITH ALLYLIC ALCOHOLS
G. MOLTENI;
1995
Abstract
The title reaction affords two main kinds of products: (i) pyrazole derivatives due to cycloaddition of a nitrile imine intermediate to the ethylenic bond; (ii) open-chain carbonyl compounds due to the electrophilic attack of a nitrilium-like carbocation to the ethylenic bond. Mechanistic possibilities are discussed.
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