Process for producing 1,3-substituted tetrahydro-1H-thieno-[3,4-

Details Process for producing 1,3-substituted tetrahydro-1H-thieno-[3,4- Process for producing 1,3-substituted tetrahydro-1H-thieno-[3,4-

1990-03-12

1992-01-28

Gerstl, Robert

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548303, C07F 954

Patent

active

050845780

ABSTRACT:
Process for the preparation of 1,3-substituted tetrahydro-1H-thieno[3,4-d]-imidazol-2(3H)-on-4-ylidene pentanoic acid esters which are intermediate products for the production of the pharmaceutic active substance (+)-biotin.

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