IP Library › Granted Patent US 7,164,018
Granted Patent B2
US 7,164,018 · App. 10/766,981 · Granted Jan 16, 2007

Polymers based on N-carbamyl-N'-dimethylsilyl methyl-piperazine traceless linkers for the solid phase synthesis of phenyl based libraries

Assignee: Boehringer Ingelheim International GmbH
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Quick Facts
Patent No.
US 7,164,018
App. No.
10/766,981
Granted
Jan 16, 2007
Kind
B2
Abstract

The present invention relates to polymers characterized by novel silicon linkers based on the carbamyl piperazine moiety, methods of preparing these polymers and their use in the solid phase synthesis of compounds or libraries of compounds embracing a phenyl ring in their structure.

Claims (5)

1. A compound of formula (IV)

wherein

R 1 denotes hydrogen, C 1 –C 6 -alkyl, C 2 –C 6 -alkenyl, C 2 –C 6 -alkynyl C 1 –C 6 -alkoxy, halogen, NO 2 or CF 3 ; and

R 2 denotes a group selected from hydroxy, amino, and formyl, being optionally protected by a suitable protective group.

2. The compound as recited in claim 1 wherein R 2 is N—C 1 –C 6 -alkylamino, optionally protected by a suitable protective group.

Priority Claims (1)
EP 01101946 · Jan 29, 2001 · regional
Continuity (3)
Division 1005843300 · Jan 28, 2002
Provisional Application 6027331200 · Mar 2, 2001
Related Publication 20040186243A1 · Sep 23, 2004