Bulletin of the Chemical Society of Japan p. 2217 - 2219 (1988)
Update date:2022-07-31
Topics:
Sawada, Masami
Tanaka, Takanori
Furukawa, Yoshiro
Toda, Tomoki
Takai, Yoshio
Hanafusa, Terukiyo
The reaction product a of 2-amino-4(3H)-pyrimidinone with chloroformyl isocyanate was methylated and the two resulting products were determined as 4 (for the major product) and 5 (for the minor one) by X-ray crystal structure analyses.In a DMSO solution of a, the 2a tautomer was shown to be predominant by 13C NMR analysis.
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