The Journal of Organic Chemistry

Total synthesis of isoflavones: jamaicin, calopogonium isoflavone-B, pseudobaptigenin, and maxima substance-B. Friedel-Crafts acylation reactions with acid- …

PF Schuda, WA Price

Index: Schuda, Paul Francis; Price, William A. Journal of Organic Chemistry, 1987 , vol. 52, # 10 p. 1972 - 1979

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Citation Number: 76

Abstract

The Friedel-Crafta acylation reaction was studied on several acid-sensitive substrates. Under the proper conditions of varying Lewis acids, solvents, and reaction temperatures, the acylation indeed took place, thus obviating the necessity for functional group protection- deprotection sequences. By use of these procedures, the naturally occurring isoflavones jamaicin (l), calopogonium isoflavone-B (2), maxima substance-B (30), and ...

~90%

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~27%

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