13C magnetic resonance studies of reduced proaporphine alkaloids
作者:
Giuliana Severini Ricca,
Cesare Casagrande,
期刊:
Organic Magnetic Resonance
(WILEY Available online 1977)
卷期:
Volume 9,
issue 1
页码: 8-12
ISSN:0030-4921
年代: 1977
DOI:10.1002/mrc.1270090103
出版商: John Wiley&Sons Limited
数据来源: WILEY
摘要:
AbstractThe natural abundance13C magnetic resonance spectra of reduced proaporphines are reported, with complete assignments based on peak multiplicity and empirical calculations of chemical shifts. The chemical shift values of C‐8, C‐12 and C‐7 are found to be strongly diagnostic of the spiro carbon configur
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