Cycloadduct precursors of cantharidin and method

Details Cycloadduct precursors of cantharidin and method Cycloadduct precursors of cantharidin and method

1980-09-19

1981-11-03

Raymond, Richard

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

2603463, 2603466, C07D49318

Patent

active

042987520

ABSTRACT:
Novel cycloadducts are provided which may be formed between furan and 2,5-dihydrothiophene-3,4-dicarboxylic anhydride at elevated pressure. One of these cycloadducts is useful in a synthesis of cantharidin. Another yields a novel isomeric cantharidin.

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