Allomorph of isomer Z hydrochloride of alkylaminofurane...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C514S471000

Reexamination Certificate

active

06855835

ABSTRACT:
Allomorph of Z isomer of N-[2-[[[5-(dimethylamino)methyl-2-furanyl]methyl]thio]ethyl]-N′-methyl-2-nitro-1,1-ethenediamine hydrochloride, with two carbon atoms linked by a rigid ethylenic bond, marked by an asterisk (*), characterized by the following structural formula:wherein -Fur- represents a furane ring.

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patent: 0 626 381 (1994-11-01), None
Cholerton, Trevor J. et al., “Spectroscopic Studies on Ranitidine—its Structure and the Influence of Temperature and pH”,J. Chem. Soc. Perkin Trans., No. II, 1984, pp. 1761-1766. (XP-001007750).
Enriz, R. D. et al., “Empirical Atom-Atom Potential Calculations On Two Antagonist In Histamine H2-Receptors: Rantitidine and Etinidine”,Acta Cientifica Venezolana, No. 39, 1988, pp. 214-223. (XP-001005561).
Forster, Angus et al., “Characterization of two polymorphic forms of Ranitidine-HCl”,The Internet Journal of Vibrational Spectroscopy, vol. 2, Edition 2, 1989, 6 pages. (XP-002171376).
Seddon, Kenneth R., “Crystal Engineering”,Crystal Engineering: The Design and Application of Functional Solids, published 1999, pp. 1-28. (XP-001007665).
Wu, V. et al., “Stability of polymorphic forms of rantitidine hydrochloride”,Pharmazie, No. 55, vol. 7, 2000, pp. 508-512. (XP-000999403).

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