Process for synthesis of D1 receptor antagonists

Details Process for synthesis of D1 receptor antagonists Process for synthesis of D1 receptor antagonists

2005-04-05

2005-04-05

Kifle, Bruck (Department: 1624)

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

Reexamination Certificate

active

06875866

ABSTRACT:
In one embodiment, the present invention describes the synthesis of a compound of formulaand intermediates therefor.

REFERENCES:
patent: 4973586 (1990-11-01), Berger et al.
patent: 5463051 (1995-10-01), Hou et al.
patent: 5670666 (1997-09-01), Hou et al.
Berger, et al., 1989,J. Med. Chem., 32:1913-1921.
Richard W. Draper, et al., Organic Process Research & Development, “Novel Stereoselective Syntheses of the Fused Benzazepine Dopamine D1 Antagonists (6as, 13br)-11-Chloro-6, 6a, 7 , 8, 9, 13b-hexahydro-7-methyl-5H-benzol[d]naphtha[2,1-b]azepin-12-01(Sch 39166): 1. Aziridinium Salt Based Synthesis” 1998, 2 175-185.

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