(19)
(11) EP 1 608 621 A1

(12)

(43) Date of publication:
28.12.2005 Bulletin 2005/52

(21) Application number: 03717530.4

(22) Date of filing: 31.03.2003
(51) International Patent Classification (IPC)7C07D 213/16, C07D 213/127
(86) International application number:
PCT/IN2003/000111
(87) International publication number:
WO 2004/087664 (14.10.2004 Gazette 2004/42)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(71) Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
New Delhi 100 001 (IN)

(72) Inventors:
  • KULKARNI, Shivanand Janardan
    Hyderabad 500 007,Andhra Pradesh (IN)
  • GANGAPURAM, Madhavi
    Hyderabad 500 007,Andhra Pradesh (IN)
  • KONDAPURAM, Vijaya Raghavan
    Hyderabad 500 007,Andhra Pradesh (IN)

(74) Representative: Smyth, Gyles Darren 
Marks & Clerk 90 Long Acre
London WC2E 9RA
London WC2E 9RA (GB)

   


(54) PROCESS FOR PREPARING 2,6-DIVINYLPYRIDINE AND 2-METHYL-6-VINYLPYRIDINE FROM 2,6-LUTIDINE OVER MODIFIED ZEOLITES