C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 405/06 (2006.01) A61K 31/275 (2006.01) A61K 31/495 (2006.01) A61K 31/55 (2006.01) C07C 275/40 (2006.01) C07C 275/70 (2006.01) C07C 279/04 (2006.01) C07D 243/08 (2006.01) C07D 271/113 (2006.01) C07D 295/205 (2006.01) C07D 295/215 (2006.01) C07D 307/24 (2006.01) C07D 319/20 (2006.01) C07D 405/12 (2006.01) C07D 405/14 (2006.01) C07D 413/06 (2006.01) C07D 413/12 (2006.01) C07D 413/14 (2006.01)
Patent
CA 2077252
Novel methods for the synthesis of substituted ureas and guanidines including Terazosin, Prazosin, Doxazosin, Tiodazosin, Trimazosin, Quinasin and Bunazosin (exemplary of 2-amino substituted Quinazolines), Meobentine and Bethanidine and novel intermediates suitable for use in such methods of synthesis are taught.
Hall Darren
Karimian Khashayar
Murthy Keshava
Acic (canada) Inc.
Apotex Pharmachem Inc.
Mckinnon Graham J.k.
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