continued from part 1 - Controller General of Patents, Designs, and ...

(12) PATENT APPLICATION PUBLICATION (21) Application No.6636/DELNP/2008 A
(19) INDIA
(22) Date of filing of Application :30/07/2008 (43) Publication Date : 24/10/2008
(54) Title of the invention : PROCESS FOR PREPARING 3,4-DISUBSTITUTED PHENYLACETIC ACIDS AND NOVEL
INTERMEDIATES
(51) International classification :C07C 319/20 (71)Name of Applicant :
(31) Priority Document No :A 287/2006
1)DSM FINE CHEMICALS AUSTRIA NFG GMBH & CO
(32) Priority Date :22/02/2006 KG
(33) Name of priority country :Austria
Address of Applicant :ST.-PETER-STRASSE 25, A-4021
(86) International Application No :PCT/EP2007/000498 LINZ, AUSTRIA Austria
Filing Date
:22/01/2007 (72)Name of Inventor :
(87) International Publication No :WO 2007/096034 1)WIEGAND, JOHN MATTHIAS, CHEMIKER
(61) Patent of Addition to Application
Number
Filing Date
:NA
:NA
2)SCHAFER, CARSTEN CHEMIKER
3)PALAORO, MELANIE CHEMIEINGENIEUR
4)SKRANC, WOLFGANG CHEMIKER
(62) Divisional to Application Number :NA
5)MAURER, OLIVER CHEMIKER
Filing Date
:NA
(57) Abstract :
A process for preparing 3,4-disubstituted phenylacetic acids of the formula (I) in which X is fluorine, chlorine, bromine or iodine and
R is 01-C4-alkylthio, C1-C4-alkylsulfonyl or C1-C4-alkylsulfoxide, starting from a 2-halo-C1-C4-alkylthiobenzene of the formula (II)
in which X is as defined above and Ri is C1-C4-alkylthio.
No. of Pages : 20 No. of Claims : 12
The Patent Office Journal 24/10/2008 26097