Novel cycloheptathiophene intermediates for the synthesis of bio

Details Novel cycloheptathiophene intermediates for the synthesis of bio Novel cycloheptathiophene intermediates for the synthesis of bio

1979-06-11

1980-10-14

Randolph, John D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D33380

Patent

active

042282950

ABSTRACT:
A novel process for the preparation of biotin is disclosed wherein said process employs inexpensive starting materials and reagents resulting in the obtention of biotin devoid of the biologically inactive stereoisomers.

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