Chemical and Pharmaceutical Bulletin p. 1117 - 1119 (1997)
Update date:2022-08-17
Topics:
Koike, Takeshi
Tanabe, Mituharu
Takeuchi, Naoki
Tobinaga, Seisho
The reactions of aminoenylesters 3, which were prepared by the reactions of methyl propiolate (1) and primary amines 2, with primary amines 2 and acetaldehyde afforded 1,2,3,4-tetrahydropyrimidines 4. This provides a new heterocyclic annelation reaction.
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