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Featured researches published by F. Keller.


Journal of the American Chemical Society | 1954

ALKALOIDS OF RAUWOLFIA SERPENTINA BENTH. III.1 RESCINNAMINE, A NEW HYPOTENSIVE AND SEDATIVE PRINCIPLE

M. W. Klohs; M. D. Draper; F. Keller


Journal of the American Chemical Society | 1954

Alkaloids of Rauwolfia serpentina Benth. II.1 The Isolation of Naturally Occurring Py-tetrahydroserpentine (Ajmalicine) and a Contribution Toward its Structure

M. W. Klohs; M. D. Draper; F. Keller; W. Malesh; F. J. Petracek


Journal of the American Chemical Society | 1953

ALKALOIDS OF RAUWOLFIA SERPENTINA BENTH I. THE CHARACTERIZATION OF RESERPINE AND ITS HYDROLYSIS PRODUCTS

M. W. Klohs; M. D. Draper; F. Keller; F. J. Petracek


Journal of the American Chemical Society | 1954

The Isolation of Reserpine from Rauwolfia canescens Linn

M. W. Klohs; M. D. Draper; F. Keller; F. J. Petracek


Journal of the American Chemical Society | 1952

The Isolation of Neoprotoveratrine and Protoveratrine from Veratrum viride Ait.

M. W. Klohs; R. Arons; M. D. Draper; F. Keller; S. Koster; W. Malesh; F. J. Petracek


Journal of the American Chemical Society | 1955

Alkaloids of Rauwolfia serpentina Benth. V.1 Rescinnamine

M. W. Klohs; M. D. Draper; F. Keller


Journal of the American Chemical Society | 1954

Alkaloids of Veratrum eschscholizii Gray. II.1The Ester Alkaloids

M. W. Klohs; M. D. Draper; F. Keller; S. Koster; W. Malesh; F. J. Petracek


Journal of the American Chemical Society | 1953

The Alkaloids of Veratrum fimbriatum Gray

M. W. Klohs; M. D. Draper; F. Keller; S. Koster; W. Malesh; F. J. Petracek


Journal of the American Chemical Society | 1952

HYPOTENSIVE ALKALOIDS OF VERATRUM FIMBRIATUM GRAY

M. W. Klohs; M. D. Draper; F. Keller; S. Koster; W. Malesh; F. J. Petracek


Journal of the American Chemical Society | 1953

The Isolation of Desacetylneoprotoveratrine from Veratrum Viride Ait.

M. W. Klohs; M. D. Draper; F. Keller; W. Malesh; F. J. Petracek

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