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Structure and synthesis of desmethylpsychotrine
Authors:Tozo Fujii  Masashi Ohba  Satyesh C Pakrashi  Esahak Ali
Institution:Faculty of Pharmaceutical Sciences, Kanazawa University, Takara-machi, Kanazawa 920, Japan;Indian Institute of Experimental Medicine, Calcutta-700032, India
Abstract:(+)-9-Demethylpsychotrine (I) has been synthesized from ethyl cincholoiponate (+)-III] and 3-benzyloxy-4-methoxyphenacyl bromide by the “cincholoipon-incorporating method” through the intermediates IV–VI and VIII–XVII. Identity of synthetic (+)-I with desmethylpsychotrine unequivocally established the structure of the Alangium alkaloid.
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