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Andris J. Liepa

University of Virginia

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Publication

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Journal of The Chemical Society D: Chemical Communications | 1971

Total synthesis of the tumour-inhibitory alkaloids thalicarpine and hernandaline

S. Morris Kupchan; Andris J. Liepa

The tumour-inhibitory alkaloid thalicarpine (13) has been synthesized by an approach which proceeds from the diaryl ether (3)via the alkaloid hernandaline (9).

Journal of the American Chemical Society | 1973

Novel nonphenol oxidative coupling.

S. Morris Kupchan; Andris J. Liepa; Venkataraman Kameswaran; Robert F. Bryan

Journal of the American Chemical Society | 1973

Intramolecular oxidative coupling of monophenolic benzylisoquinolines. Quinonoid oxoaporphines.

S. Morris Kupchan; Andris J. Liepa

Journal of the American Chemical Society | 1975

Mechanism of formation of spirodienone products of nonphenol oxidative coupling

S. Morris Kupchan; Venkataraman Kameswaran; David K. Williams; Andris J. Liepa

Journal of the American Chemical Society | 1973

Tumor inhibitors. LXXXVII. Total synthesis of the tumor-inhibitory alkaloid thalicarpine

S. Morris Kupchan; Andris J. Liepa; Venkataraman Kameswaran; K. Sempuku

Journal of Organic Chemistry | 1973

New phenolic Hasubanan alkaloids from Stephania abyssinica.

S. Morris Kupchan; Andris J. Liepa; T. Fujita

Archive | 1972

Synthesis of thalicarpine

S. Morris Kupchan; Andris J. Liepa

ChemInform | 1975

ON THE MECHANISM OF FORMATION OF SPIRODIENONE PRODUCTS OF NONPHENOL OXIDATIVE COUPLING

S. Morris Kupchan; Venkataraman Kameswaran; David K. Williams; Andris J. Liepa

Archive | 1973

NON-PHENOL OXIDATIVE COUPLING

Solomon Morris Kupchan; Andris J. Liepa

ChemInform | 1973

NEUE PHENOL-HASUBANAN-ALKALOIDE AUS STEPHANIA ABYSSINICA

S. M. Kupchan; Andris J. Liepa; T. Fujita

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S. Morris Kupchan

University of Wisconsin-Madison

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Venkataraman Kameswaran

University of Minnesota

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Robert F. Bryan

University of Virginia

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David K. Williams

Colorado State University

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Solomon Morris Kupchan

University of Virginia

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