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A novel synthesis of 3,4-disubstituted cinnolines from o-trifluorophenyl hydrazones

โœ Scribed by Alexander S. Kiselyov; Celia Dominguez

Book ID
104261732
Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
235 KB
Volume
40
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

An efficient synthesis of 3-aryl-4-aminocinnolines from ortho-trifluoromethylphenyl hydrazones is described.

The mechanism of the described transformation is likely to involve the formation of the quinone methide intermediate. The described procedure is easily adaptable to automated solid phase synthesis leading to analytically pure heterocycles.

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