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Dive into the research topics where Friedrich W. Vierhapper is active.

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Featured researches published by Friedrich W. Vierhapper.


Journal of Organic Chemistry | 1976

Carbon-13 nuclear magnetic resonance spectra of saturated heterocycles. IV. trans-Decahydroquinolines

Ernest L. Eliel; Friedrich W. Vierhapper


Journal of the American Chemical Society | 1975

Conformational analysis. XXX. Conformational equilibrium of the N-methyl group in N-methyl-trans-decahydroquinoline. N-Methylpiperidine problem

Ernest L. Eliel; Friedrich W. Vierhapper


Journal of the American Chemical Society | 1974

Selective reduction of the benzene ring in quinolines and isoquinoline

Friedrich W. Vierhapper; Ernest L. Eliel


Journal of Organic Chemistry | 1975

Reduction of 5,6,7,8-tetrahydroquinolines and 2,3,4,5,6,7,8,10-octahydroquinolines to trans-decahydroquinolines

Friedrich W. Vierhapper; Ernest L. Eliel


Journal of the American Chemical Society | 1974

High equatorial preference of the N-methyl group in N-methyl-trans-decahydroquinoline

Ernest L. Eliel; Friedrich W. Vierhapper


Tetrahedron Letters | 1975

1H and 13C chemical shifts: Unexplained analogies and anomalies

Ernest L. Eliel; V. S. Rao; Friedrich W. Vierhapper; G.Zúñiga Juaristi


ChemInform | 1975

Selective hydrogenation of quinoline and its homologs, isoquinoline, and phenyl-substituted pyridines in the benzene ring

Friedrich W. Vierhapper; Ernest L. Eliel


ChemInform | 1975

CONFORMATIONAL ANALYSIS PART 30, CONFORMATIONAL EQUILIBRIUM OF THE N‐METHYL GROUP IN N‐METHYL‐TRANS‐DECAHYDROQUINOLINE. THE N‐METHYLPIPERIDINE PROBLEM

Ernest L. Eliel; Friedrich W. Vierhapper


ChemInform | 1974

SELECTIVE REDUKTION OF THE BENZENE RING IN QUINOLINES AND ISOQUINOLINE

Friedrich W. Vierhapper; Ernest L. Eliel


ChemInform | 1974

HIGH EQUATORIAL PREFERENCE OF THE N-METHYL GROUP IN N-METHYL-TRANS-DECAHYDROQUINOLINE

Ernest L. Eliel; Friedrich W. Vierhapper

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G.Zúñiga Juaristi

University of North Carolina at Chapel Hill

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V. S. Rao

University of North Carolina at Chapel Hill

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