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Joseph E. Knapp

Ohio State University

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Publication

Featured researches published by Joseph E. Knapp.

Journal of Pharmaceutical Sciences | 1978

Constituents of West African Medicinal Plants XX: Quindoline from Cryptolepis sanguinolenta

D. Dwuma-Badu; John S.K. Ayim; Nicholas I.Y. Fiagbe; Joseph E. Knapp; Paul L. Schiff; David J. Slatkin

Journal of Natural Products | 1980

Constituents of West African medicinal plants. XXVII. Alkaloids of Rhigiocarya racemifera and Stephania dinklagei.

D. Dwuma-Badu; J. S. K. Ayim; S. F. Withers; N. O. Agyemang; A. M. Ateya; M. M. El-Azizi; Joseph E. Knapp; David J. Slatkin; Paul L. Schiff

Phytochemistry | 1975

Steroids of Cannabis sativa root

David J. Slatkin; Joseph E. Knapp; Paul L. Schiff; Carlton E. Turner; M.Leonard Mole

Journal of Natural Products | 1981

The Alkaloids of Thalictrum foliolosum

Sunil K. Chattopadhyay; Anil B. Ray; David J. Slatkin; Joseph E. Knapp; Paul L. Schiff

Journal of Natural Products | 1982

Melosmine and Melosmidine 7,7-Dimethyltetradehydroaporphine Alkaloids From Guatteria melosma

V. Zabel; William H. Watson; Charles H. Phoebe; Joseph E. Knapp; Paul L. Schiff; David J. Slatkin

Journal of Natural Products | 1983

Constituents of west african medicinal plants. XXV: Isolation of oblongine from Tiliacora dinklagei and the synthesis of oblongine and related benzylisoquinoline alkaloids

D. Dwuma-Badu; J. S. K. Ayim; T. T. Darbra; M. M. El-Azizi; Paul L. Schiff; David J. Slatkin; Joseph E. Knapp

Journal of Natural Products | 1981

Constituents of West African Medicinal Plants. XXVIII. Additional Alkaloids of Triclisia gilletti

P. D. Owusu; David J. Slatkin; Joseph E. Knapp; Paul L. Schiff

Phytochemistry | 1980

Isolation of funiferine dimethiodide and oblongine from Tiliacora funifera

Albert N. Tackie; Joy B. Reighard; Mohamed M. El-Azizi; David J. Slatkin; Paul L. Schiff; Joseph E. Knapp

Heterocycles | 1980

Oxoanolobine, a New Oxoapphine Alkaloid from Guatteria melosma

David J. Slatkin; Charles H. Phoebe; Joseph E. Knapp; Paul L. Schiff

Phytochemistry | 1975

Moretenol and other constituents of Celtis laevigata

Luis H. Santa-Cruz; Carlton E. Turner; Joseph E. Knapp; Paul L. Schiff; David J. Slatkin

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David J. Slatkin

University of Mississippi

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Paul L. Schiff

University of Pittsburgh

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Carlton E. Turner

University of Mississippi

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Charles H. Phoebe

Waters Corporation

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Gordon H. Svoboda

Eli Lilly and Company

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Mohamed M. El-Azizi

Al-Azhar University

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Albert N. Tackie

University of Science and Technology

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D. Dwuma-Badu

University of Science and Technology

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Fawzy T. Hussein

Ohio State University

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Jack L. Beal

Ohio State University

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