F
F. M. Schell
Researcher at Indiana University
Publications - 11
Citations - 457
F. M. Schell is an academic researcher from Indiana University. The author has contributed to research in topics: Nuclear magnetic resonance spectroscopy & Carbon-13. The author has an hindex of 4, co-authored 11 publications receiving 455 citations.
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Journal ArticleDOI
Carbon-13 nuclear magnetic resonance spectroscopy of naturally occurring substances. Alkaloids
Journal ArticleDOI
Carbon-13 nuclear magnetic resonance spectroscopy of naturally occurring substances. XIX. Aspidosperma alkaloids.
Ernest Wenkert,David W. Cochran,E. W. Hagaman,F. M. Schell,Norbert Neuss,Allen S. Katner,Pierre Potier,Christiane Kan,Plat M,Michel H J Koch,Hachem Mehri,Jacques Poisson,Kunesch N,Yves Rolland +13 more
Journal ArticleDOI
Carbon-13 nuclear magnetic resonance spectroscopy of naturally occurring substances. VII. Carbon-13 nuclear magnetic resonance spectroscopy with the aid of a paramagnetic shift agent
Journal ArticleDOI
The structure of vincarodine.
Norbert Neuss,Harold E. Boaz,John L. Occolowitz,Ernest Wenkert,F. M. Schell,Pierre Potier,Christiane Kan,M. M. Plat,M. Plat +8 more
TL;DR: The structure of vincarodine has been determined to be 1 by an investigation of its IR.-, UV.-, 1H- and 13C-NMR.- and mass spectra.
Journal ArticleDOI
A Facile Synthesis of Tetracycles of the γ-Lycorane Type
TL;DR: In this article, an attempted application of the general scheme of alkaloid synthesis, based on the partial hydrogenation of 1 -alkyl-3-acylpyridinium salts and acid-induced cyclization of the resultant 2-piperideines, failed in the cyclization step, i.e. the transformation of dihydroisoquinoline 4a (prepared by the treatment of ester 2a 3 with 5-bromo-2 -pentanone ethylene ketal, followed by hydrogenating of the salt over palladium