(+/-)-trans-2-Ethyl-4a-(3-methoxyphenyl)-6-oxo-1,2,3,4,4a,5,6,7,8,8a-decahydroisoquinoline hydrochloride → (+/-)-trans-2-Benzylaminocarbonyl-3,6-dimethyl-8a-(3-methoxyphenyl)-4,4a,5,6,7,8,8a,9-octahydro-1H-pyrrolo[2,3-g]isoquinoline

Participants

Reaction Steps

1 g (3.3 mmol) of (±)-trans-2-ethyl-4a-(3-methoxyphenyl)-6-oxo-1,2,3,4,4a,5,6,7,8,8a-decahydroisoquinoline hydrochloride, 2.95 g (10 mmol) of N-benzyl-2-phenylhydrazono-3-oxobutyramide, 0.82 g (10 mmol) of CH3 COONa, 2.6 g (40 mmol) of zinc dust and 5 ml of glacial acetic acid were treated as described in example 1. The residue was crystallised from AcOEt yielding 0.65 g of the title compound. M. p.=162°-164° C.

Provenance & Evidence