Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1997-10-09
1999-10-19
Dees, Jose'G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549461, C07D31192, C07D30791
Patent
active
059691638
ABSTRACT:
A process for the preparation of .beta.-lapachone and dunnione derivatives of formulae I and II ##STR1## wherein, the a solution of lawsone in dimethylsufoxide at a temperature of -78.degree. C. or less is reacted with lithium hydride forming the lithium salt of lawsone; alkylating the lithium salt with an allyl halide; and cyclizing the C-alkylated lawsone derivative.
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Frydman Benjamin J.
Geiser Andrew H.
Sun Jerry Shunneng
Witiak, deceased Donald T.
Badio Barbara
Dees Jose'G.
Wisconsin Alumni Research Foundation
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