Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Stereochemistry of Quinolizidines. III. Carbon-13 Magnetic Resonance Spectra of Benzo [α] quinolizidines
MAKIKO SUGIURANARAO TAKAOKINUKO IWASAYOSHIO SASAKI
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1978 Volume 26 Issue 4 Pages 1168-1176

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Abstract
Stereochemistry of benzo [α] quinolizidine derivatives (I-VIb) were examined from C-13 magnetic resonance chemical shifts, and C-6 and C-7 shifts of these compounds were found to be reliable as the indications of favoured conformations-trans, cis "a" or cis "b". This treatment is also available for the conformational analyses of tetrahydroproto-berberine type alkaloids.
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© The Pharmaceutical Society of Japan
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