General method for synthesis of erythrinan and homoerythrinan alkaloids (1): Synthesis of a cycloerythrinan, as a key intermediate to Erythrina alkaloids, by Pummerer-type reaction

DOI: 10.1248/cpb.46.906

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 906 - 912 (1998)

Update date:2022-09-26

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Authors:

Toda, Jun

Niimura, Yoshihiro

Takeda, Kaoru

Sano, Takehiro

Tsuda, Yoshisuke

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Article abstract of DOI:10.1248/cpb.46.906

A new synthetic route to Erythrina alkaloids by formation of ring C utilizing a Pummerer-type intramolecular cyclization was developed. The N- (2-phenylthioethyl)-dioxopyrroline (3) was converted to 13 in five steps with satisfactory overall yield (69%) b

Full text of DOI:10.1248/cpb.46.906

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