Aminoenylesters. I. A new synthesis of 1,2,3,4-tetrahydropyrimidines by heterocyclic annelation reactions of aminoenylesters with primary amines and acetaldehyde

DOI: 10.1248/cpb.45.1117

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 1117 - 1119 (1997)

Update date:2022-08-17

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Authors:

Koike, Takeshi

Tanabe, Mituharu

Takeuchi, Naoki

Tobinaga, Seisho

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Article abstract of DOI:10.1248/cpb.45.1117

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.

Full text of DOI:10.1248/cpb.45.1117

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