Optically active hydantoins

Details Optically active hydantoins Optically active hydantoins

1989-09-05

1991-11-26

Gerstl, Robert

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548147, 548216, 548218, C07D49804, C07D51304

Patent

active

050683411

ABSTRACT:
Optically active hydantoins of the formula I ##STR1## wherein X, Y, R.sup.1, R.sup.2 and R.sup.3 have the meaning given in Patent claim 1, are useful intermediate products for the preparation of D-(+)-biotin.

REFERENCES:
patent: 4772717 (1988-09-01), Volkmann
Papov, Eur. J. Med. Chem. Chim. Ther. R1, 355(1986), Abstract only.
Lalezari, J. Het. Chem. 20, 483(1983).

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