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A novel transformation of 6,7-dimethoxy- and 6,7-methylene-dioxy-1-(2-bromo-4,5-methylenedioxy-α-methyl) benzyl-1,2,3,4-tetrahydroisoquinolines to benzoxazepinoisoquinolines

✍ Scribed by S. Natarajan; B.R. Pai; R. Rajaraman; C.S. Swaminathan; K. Nagarajan; V. Sudarsanam; D. Rogers; A. Quick

Publisher: Elsevier Science
Year: 1975
Tongue: French
Weight: 203 KB
Volume: 16
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)91371-6

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✦ Synopsis

The eyntheeia of tetrehydroprotoberberine~' by the reaction of l-benzyl-1,2,3,4-tetrahydroisoquinolinee with formaldehyde by a Pictet-Spengler type reaction' is well documented and provides few,surprises. However, we wish to report on the unueual bchaviour of l-(2-bromo-4,5-methylenedioxy-a-methyl)

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