Synthesis and spectroscopic characterization of 5-diaminomethylidene barbiturates

The reaction of amines with dithiocyclohexylidenes is a general reaction for the synthesis of diaminomethylidene barbiturates. When diamines of the type H2N-(CH2)n-NH 2 are used as nucleophiles bicyclic compounds are the major reaction products, with yields increasing as n decreases, n = 2, 3, 4. Wh...

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Bibliographic Details
Main Authors: Figueroa-Villar José D., Clemente Fábio C., Silva Ana C. C. da
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2001-01-01
Series:Journal of the Brazilian Chemical Society
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532001000200020