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Complementary stereoselective cyclisations of N-(3,4-dimethoxybenzyl)ephedrine and its chromium tricarbonyl complex to trans- and cis-2,3-dimethyl-4-phenyl-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolines respectively

✍ Scribed by Coote, Steven J.; Davies, Stephen G.

Book ID: 121471817
Publisher: The Royal Society of Chemistry
Year: 1988
Tongue: English
Weight: 154 KB
Volume: 10
Category: Article
ISSN: 0022-4936
DOI: 10.1039/C39880000648

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We have reinvestigated the anodic oxidation of 1,4~hydro-6.7-d;methoxy-4-(3.4-dimethoxy~l)-2-me~y~~u~o~-3(2H)~ne and found it to yield a new product 2.3.7.9-tetramethoxy-ll-(N-methylscetamido)i~[~,e]~cloh~~m-5~e. In order to investigate reactions of this rype 2-acyl-6.7-~imethoxy-4\_(3,4-dimethoxy~l