K. Okui, K. Ito, M. Koizumi
Dec 1, 1972
Citations
0
Influential Citations
1
Citations
Journal
Journal of Heterocyclic Chemistry
Abstract
Condensation of 4-amino-6-chloro-2-methoxypyrimidine (I) with p-nitrobenzenesulfonyl chloride (II) gave, in addition to 6-chloro-2-methoxy-4-(p-nitrobenzenesulfonamido)pyrimidine (III), two abnormal by-products, the structures of which were assigned as 1-[2-methoxy-4-(p-nitrobenzenesulfonamido)pyrimidine-6-yl]pyridinium N,N-betaine (IV) and N-(p-nitrobenzene-sulfonyl)-β-ureido-β-pyridinium acrylamide N,N-betaine (V).