Process for preparing zolpidem

Details Process for preparing zolpidem Process for preparing zolpidem

2005-10-25

2005-10-25

Morris, Patricia L. (Department: 1625)

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

Organic compounds

Amino nitrogen containing

Reexamination Certificate

active

06958417

ABSTRACT:
A process for preparing a compound of formula (II)whereinR1denotes bromine,wherein,a compound of formula (IV)is reacted with elemental bromine in a diluent.

REFERENCES:
patent: 0 251 859 (1990-11-01), None
Trapani, ET AL; “Novel 2-Phenylimidazo[1,2-alpha]pyridine Derivatives as Potent and Selective Ligands for Peripheral Benzodlazepine Receptors: Synthesis, Binding Affinity, and in Vivo Studies”; J. Med. Chem. 1999, 42(19), pp. 3934-3941.
Trapani, ET AL; “Synthesis and Binding Affinity of 2-Phenylimidazo[1,2-alpha]pyridine Derivatives for both Central and Peripheral Benzodiazepine Receptors. A New Series of High-Affinity and Selective Ligands for the Peripheral Type”; J. Med. Chem. 1997, 40(19), pp. 3109-3118.

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