Title:
CROSS-COUPLING SYNTHESIS OF ALKYL (DIALKYLPHENYL) INDENES
Document Type and Number:
WIPO Patent Application WO2003101601
Kind Code:
A3
Abstract:
A cross-coupling synthesis of 2-alkyl-4-(2,6dialkylphenyl)indenes is described. A 2-alkylidene is treated with a dialkylboronic acid in the presence of a catalyst. A feature of the invention is the use of a cross-coupling catalyst comprising palladium dichloride (1,5-cyclooctadiene) as a cross-coupling catalyst.
Inventors:
BARNES HAMLIN H (US)
Application Number:
PCT/US2003/017302
Publication Date:
May 13, 2004
Filing Date:
May 28, 2003
Export Citation:
Assignee:
BOULDER SCIENT CO (US)
BARNES HAMLIN H (US)
BARNES HAMLIN H (US)
International Classes:
C07C1/32; (IPC1-7): C07C13/00; C07C13/465; C07C15/12; C07F7/08
Foreign References:
| US6479646B1 | 2002-11-12 | |||
| US5789634A | 1998-08-04 | |||
| US6291699B1 | 2001-09-18 |
Other References:
See also references of EP 1572606A4
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