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Studies in mass spectrometry IV. Steric direction of fragmentation in cis- and trans-B:C ring-fused morphine derivatives

✍ Scribed by Asher Mandelbaum; David Ginsburg

Publisher: Elsevier Science
Year: 1965
Tongue: French
Weight: 348 KB
Volume: 6
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)84010-7

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✦ Synopsis

Comparison of mass spectra of various morphine derivatives spimsric at C uc indicated the possibility of using mass spectrometry to distinguish structurally between ccmpounds hating cis-(I) and tram-(II) fusion of rings B and C.

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Studies in organic mass spectrometry—XI.

Studies in organic mass spectrometry—XI. The fragmentation of hop bitter acids derivatives having a five membered ring structure

✍ E. Cant; M. Vandewalle; M. Verzele 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 English ⚖ 584 KB

## Abstract The mass spectra of the hops derived humulinic acids, isohumulones and hulupones are discussed. The fragmentations are in accordance with those found for model compounds.