Journal of Organic Chemistry p. 1621 - 1628 (1983)
Update date:2022-08-05
Topics:
Shono, Tatsuya
Hamaguchi, Hiroshi
Sasaki, Manji
Fujita, Shumei
Nagami, Kimihiko
Zinc-promoted reductive coupling reaction of iminium salts with alkyl halides was found to be a successful key reaction for synthesis of a variety of alkaloids such as benzylisoquinoline, phthalidylisoquinoline, and protoberberine alkaloids.More specifically, laudanosine, cordrastine, hydrastine, narcotine, tetrahydropalmatine, and canadine were obtained.A new route for the synthesis of the emetine and yohimbine skeletons was exploited.
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