Noncyclic intermediate in the synthesis of pyrazolidinylpyrazoles

Hydroxypyrazolidine 1 reacts with 5-aminopyrazoles 2 to form selectively the products of substitution to 4 or 5-aminogroup positions; the isolated intermediate of interaction of noncyclic tautomer 1 with two molecules of aminopyrazole carried out the cyclization into 4-pyrazolidinyl-5-aminopyrazole...

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Bibliographic Details
Published inMendeleev communications Vol. 13; no. 5; pp. 226 - 227
Main Authors Dlinnykh, Ilya V., Golubeva, Galina A., Terentiev, Petr B., Sviridova, Lyudmila A.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2003
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Summary:Hydroxypyrazolidine 1 reacts with 5-aminopyrazoles 2 to form selectively the products of substitution to 4 or 5-aminogroup positions; the isolated intermediate of interaction of noncyclic tautomer 1 with two molecules of aminopyrazole carried out the cyclization into 4-pyrazolidinyl-5-aminopyrazole eliminating one molecule of aminopyrazole
ISSN:0959-9436
1364-557X
DOI:10.1070/MC2003v013n05ABEH001754