Invention Grant
US07790891B2 Process for the preparation of pyridine-methylsulfinyl compounds
失效
吡啶 - 甲基亚磺酰基化合物的制备方法
- Patent Title: Process for the preparation of pyridine-methylsulfinyl compounds
- Patent Title (中): 吡啶 - 甲基亚磺酰基化合物的制备方法
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Application No.: US11927009Application Date: 2007-10-29
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Publication No.: US07790891B2Publication Date: 2010-09-07
- Inventor: Pietro Allegrini , Marcello Rasparini , Gabriele Razzetti , Simone Mantegazza , Vittorio Lucchini , Alberto Bologna
- Applicant: Pietro Allegrini , Marcello Rasparini , Gabriele Razzetti , Simone Mantegazza , Vittorio Lucchini , Alberto Bologna
- Applicant Address: IT Baranzate
- Assignee: Dipharma Francis S.R.L.
- Current Assignee: Dipharma Francis S.R.L.
- Current Assignee Address: IT Baranzate
- Agency: Griffin &Szipl, P.C.
- Priority: ITMI2006A2086 20061030; ITMI2007A1208 20070615
- Main IPC: C07D471/02
- IPC: C07D471/02 ; C07D401/12
Abstract:
A process for the preparation of a compound of formula (I), or a salt thereof, wherein Q is ═CR8— or ═N—; and R1-R8 are as herein defined; comprising the reaction of a compound of formula (II), or a salt thereof, wherein Q, R1-R7 are as herein defined; with a reducing agent selected from a trivalent phosphorous compound, an oxidizable solvent and a sulfonic acid chloride; and, if desired, the conversion of a compound of formula (I) to another compound of formula (I) or a salt thereof.
Public/Granted literature
- US20090076277A1 Process for the preparation of pyridine-methylsulfinyl compounds Public/Granted day:2009-03-19
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