Crystalline, anhydrous sigma-form of 2-(4-(2-furoyl)-(2-piperazi

Details Crystalline, anhydrous sigma-form of 2-(4-(2-furoyl)-(2-piperazi Crystalline, anhydrous sigma-form of 2-(4-(2-furoyl)-(2-piperazi

1987-03-03

1989-03-28

Hollrah, Glennon H.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

544291, A61K 31505, C07D40514

Patent

active

048164550

ABSTRACT:
A new anhydrous crystalline form of prazosine hydrochloride characterized by the following bands in the infra-red spectrum in potassium bromide is described:

REFERENCES:
patent: 4026894 (1977-05-01), Winn et al.
patent: 4092315 (1978-05-01), Bianco
patent: 4251532 (1981-02-01), Bateman
Lehmann et al., "Chemical Abstracts", vol. 95, 1981, Col. 95:62250b.
Lehmann et al., "Chemical Abstracts", vol. 101, 1984, Col. 101:90971y.
Lehmann et al., "Chemical Abstracts", vol. 101, 1984, Col. 101:230571v.
Lehmann et al., "Chemical Abstracts", vol. 102; 1985, Col. 102:62270w.
Lindholm, "Chemical Abstracts", vol. 103, 1985, Col. 103:11460w.
Lehmann et al., "Chemical Abstracts", vol. 106, 1987, Col. 106:33113z.

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