Diels-Alder reaction of 1,2,3-benzotriazine with enamine: Application to the synthesis of alkaloids, 2-propylquinoline and 2-pentylquinoline

DOI: 10.1248/cpb.46.332

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 332 - 334 (1998)

Update date:2022-08-04

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Authors:

Koyama, Junko

Toyokuni, Izumi

Tagahara, Kiyoshi

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Article abstract of DOI:10.1248/cpb.46.332

The Diels-Alder reaction of 1,2,3-benzotriazine with several pyrrolidine enamines of carbonyl compounds was carried out in chloroform in the presence of zinc bromide to afford 2- or 3-mono-, or 2,3-disubstituted quinolines. This method was applied to the synthesis of the alkaloids, 2-propylquinoline and 2-pentylquinoline.

Full text of DOI:10.1248/cpb.46.332

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