23-06-2016 дата публикации
Номер: US20160176884A1
Автор:
Campos Kevin,
Chung John Y.L.,
Cleator Edward,
Dunn Robert F.,
Gibson Andrew,
Hoerrner R. Scott,
Keen Stephen,
Lieberman Dave,
Liu Zhuqing,
Lynch Joseph,
Maloney Kevin M.,
Xu Feng,
Yasuda Nobuyoshi,
YOSHIKAWA Naoki,
Zhong Yong-Li
The present invention is directed to processes for preparing beta 3 agonists of Formula (I) and Formula (II) and their intermediates. The beta 3 agonists are useful in the treatment of certain disorders, including overactive bladder, urinary incontinence, and urinary urgency. 2. The process of claim 1 , wherein the catalyst in step (a) is selected from the group consisting of Pd claim 1 , Raney Ni claim 1 , Pt claim 1 , PdCl claim 1 , and Pd(OH); and reduction reaction is carried out in the presence of hydrogen gas.3. The process of claim 1 , wherein the acid in step (b) is selected from the group consisting of HCl claim 1 , HBr claim 1 , TFA claim 1 , MeSOH claim 1 , TfOH claim 1 , HSO claim 1 , para-toluenesulfonic acid claim 1 , and RSOH wherein R is alkyl claim 1 , aryl or substituted aryl.4. The process of claim 1 , wherein the reduction of step (c) is carried out in the presence of HMDS and the catalyst used is selected from the group consisting of Pt on alumina claim 1 , Pd on alumina claim 1 , Pd/C claim 1 , Pd(OH)—C claim 1 , Raney Ni claim 1 , Rh/C claim 1 , Rh/Al claim 1 , Pt/C claim 1 , Ru/C and PtO.6. The process of claim 5 , wherein the compound I-7 is in a solution claim 5 , and the solution containing compound I-7 is added to a solution containing compound A-4.8. The process of claim 7 , wherein:{'sub': 2', '2, 'the solvent is selected from the group consisting of THF, MTBE, CHCl, MeCN, toluene and a mixture comprising two of the foregoing solvents;'}{'sub': '2', 'the oxidizing agent is selected from the group consisting of NaOCl, NaClO, hydrogen peroxide, pyridine sulfur trioxide, PCC, and DCC; and'}the catalyst is TEMPO or a TEMPO analogue.15. A process according to claim 11 , wherein said acid is HCl. This application is directed to synthetic processes for making beta 3 agonists of Formula (I) and Formula (II) and their intermediate compounds.Beta Adrenergic receptors (βAR) are present in detrusor smooth muscle of various species, including human, ...
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