Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Intramolecular Cyclization of 4-Amino-5-(2, 2-dicyanovinyl)-amino-1, 3-dimethyluracil
YOSHIHISA OKAMOTOTAKEO UEDA
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1976 Volume 24 Issue 3 Pages 547-549

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Abstract
A convenient synthesis of two 9-deazapurines (pyrrolo [3, 2-d] pyrimidines) are described. A mechanism which consists of ring opening, followed by recyclization of 4-amino-5-(2, 2-dicyanovinyl) amino-1, 3-dimethyluracil is also proposed.
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© The Pharmaceutical Society of Japan
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