Invention Grant
- Patent Title: Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts
- Patent Title (中): 从磺酸盐合成磺酰卤和磺酰胺的方法
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Application No.: US11490389Application Date: 2006-07-20
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Publication No.: US07842834B2Publication Date: 2010-11-30
- Inventor: Ronald S. Michalak , Jean L. Helom , Joseph Zeldis
- Applicant: Ronald S. Michalak , Jean L. Helom , Joseph Zeldis
- Applicant Address: US NJ Madison
- Assignee: Wyeth LLC
- Current Assignee: Wyeth LLC
- Current Assignee Address: US NJ Madison
- Agent Jennifer A. Kispert; Robert T. Ronau
- Main IPC: C07C309/24
- IPC: C07C309/24
Abstract:
The present invention provides synthetic processes for the preparation of sulfonyl halides of Formula Ar—(R)z—SO2—X and sulfonamides of Formula Ar—(R)z—SO2—NR4R5, where the constituent variables are as defined herein, that are useful as intermediates in the preparation of pharmaceuticals.
Public/Granted literature
- US20070021614A1 Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts Public/Granted day:2007-01-25
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