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Total synthesis of (-)-safracin B total synthesis of (-)-thiangazole development of sulfonamide chemistry

By Mui Cheung

Abstract

Chapter I describes the stereocontrolled total synthesis of ($-$)-safracin B with antibacterial and antitumor activities. The convergent approach for the synthesis of safracin B can be readily applied to the synthesis of the related isoquinolinequinone family such as saframycins and ecteinascidins. Chapter II discusses the total synthesis of ($-$)-thiangazole, a substance with potent anti-HIV-1 activity in vitro. An efficient synthetic pathway is developed to enable diverse modification of both ends of thiangazole and thus provide a rapid access to a variety of analogs. Chapter III outlines the development of new chemistry of nitrobenzenesulfonamides, N-Boc and N-Alloc nitrobenzene sulfonamides, and alkylsulfonamides for the efficient preparation of secondary amines and protected primary amines

Topics: Organic chemistry, Pharmaceutical chemistry
Year: 1997
OAI identifier: oai:scholarship.rice.edu:1911/19141
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