Process for preparing D-(+)-biotin and intermediates therefor

Details Process for preparing D-(+)-biotin and intermediates therefor Process for preparing D-(+)-biotin and intermediates therefor

1985-02-26

1987-01-13

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D49504

Patent

active

046365664

ABSTRACT:
A process for the manufacture of intermediates in the synthesis of biotin as well as of biotin itself is described. In this process the side chain is attached to the ring system by means of a Grignard reaction, the resulting compound is then dehydrated and subsequently reduced.

REFERENCES:
patent: 2489232 (1949-11-01), Goldberg et al.
Stetter, H. et al., Chem. Ber. 85, 451 (1952).
Stetter, H. et al., Chem. Ber. 86, 790 (1953).
Stetter, H. et al., Chem. Ber. 87, 205 (1954).
Voss, G. et al., Helv. Chim. Acta. 66, 2294 (1983).

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