Indolinone derivatives and process for their manufacture

Details Indolinone derivatives and process for their manufacture Indolinone derivatives and process for their manufacture

2008-12-02

2011-11-29

Young, Shawquia (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

08067617

ABSTRACT:
The present invention relates to specific indolinone derivatives, namely the compounds of formula, in which R1represents an hydrogen atom or a group, and R2and R3each represent an hydrogen atom or R2and R3taken together represent a group, with the proviso that when R1represents an hydrogen atom R2and R3taken together represent a group, and to a process for their manufacture.

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International Search Report, Form PCT/ISA/210, for corresponding PCT/EP2008/066580, Date of mailing Aug. 10, 2009.
T. W. Greene et al.; Protective Groups in Organic Synthesis; pp. 550-556; John Wiley & Sons; XP002538466; New York.

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