Synthesis of benzoylmethylpyrazolidine regioisomers on the surface of basic adsorbents: a competitive attack of crotonaldehyde at the two nitrogen atoms of 1,2-acetylphenylhydrazine

In the interaction of 5-hydroxypyrazolidines with acetophenone on the surface of basic adsorbents, regioisomeric 3-benzoylmethylpyrazolidine was formed along with expected 5-benzoylmethylpyrazolidine as a consequence of the retro-Michael degradation of the starting compounds followed by an attack of...

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Published inMendeleev communications Vol. 15; no. 2; pp. 66 - 67
Main Authors Sviridova, Lyudmila A., Golubeva, Galina A., Tavtorkin, Aleksandr N.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2005
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Summary:In the interaction of 5-hydroxypyrazolidines with acetophenone on the surface of basic adsorbents, regioisomeric 3-benzoylmethylpyrazolidine was formed along with expected 5-benzoylmethylpyrazolidine as a consequence of the retro-Michael degradation of the starting compounds followed by an attack of crotonaldehyde at the imide nitrogen atom.
ISSN:0959-9436
DOI:10.1070/MC2005v015n02ABEH002027