Process for the manufacture of form 1 ranitidine hydrochloride

Details Process for the manufacture of form 1 ranitidine hydrochloride Process for the manufacture of form 1 ranitidine hydrochloride

1994-06-24

1997-04-15

Owens, Amelia

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30702

Patent

active

056211201

ABSTRACT:
A process for the manufacture of Form 1 ranitidine hydrochloride (N-[2-[[[5-(Dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl-N'-methyl-2- nitro-1,1-ethenediamine) hydrochloride, is described. A process to convert ranitidine hydrochloride Form 2 to Form 1 is also described.

REFERENCES:
patent: 4128658 (1978-12-01), Price et al.
patent: 4521431 (1985-06-01), Crookes
patent: 5338871 (1994-08-01), Ngooi
Trial transcript testimony from Glaxo, Inc. v. Novopharm, Ltd. lawsuit, Sidney J. Smith, pp. 720-721, 1094, 1125, and 1130-1157, Apr. 23, 1996.
Trial transcript testimony from Glaxo, Inc. v. Novopharm, Ltd. lawsuit, Tanya Lessen, pp. 771-792, and 1190-1233, Apr. 23, 1996.
Trial transcript testimony from Glaxo, Inc. v. Novopharm, Ltd. lawsuit, Natalie Lazarowych, pp. 792-805, 826-828, and 1157-1189, Apr. 23, 1996.
Trial transcript testimony from Glaxo, Inc. v. Novopharm, Ltd. lawsuit, Tom Hu, pp. 1239-1260, and 1397-1417, Apr. 29, 1996.
Chemical Abstracts "1--Pharmacology", C. Paul Bianchi, vol. 119, No. 15, 119:160082g (1993).
Derwent WPI Database: AN 87-286326 (1987).

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