U.S. patents available from 1976 to present.
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Process for the preparation of ଱-bromo-phenylacetic acids

Patent 5036156 Issued on July 30, 1991. Estimated Expiration Date: Icon_subject June 19, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Inventors

Assignee

Application

No. 540483 filed on 06/19/1990

US Classes:

562/496, Carboxyl, or salt thereof, not bonded directly to ring546/114, Ring sulfur in the bicyclo ring system562/422Of halo alkyl containing compound

Examiners

Primary: Dentz, Bernard

Attorney, Agent or Firm

International Classes

C07C 051/093
C07C 051/00

Foreign Application Priority Data

1989-09-29 FR

Abstract

Compounds of formula ##STR1## in which R1 and R2 are hydrogen or halogen, are prepared by reacting an aldehyde of formula: ##STR2## with CHBr3 and KOH in a mixture of an inert solvent and water. Further an ester of compound (I) wherein R1 is H and R2 is 2-Cl is reacted with 4,5,6,7-tetrahydrothieno[3,2-c]pyridine to produce a compound of formula III: ##STR3## which is useful as a medicament.

Other References

  • Reeve et al., J. Org. Chem., vol. 45, pp. 5214-5215 (1980
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