EP 1204647 A1 20020515 - METHOD FOR THE PRODUCTION OF 4,6-DICHLOROPYRIMIDINE WITH THE AID OF PHOSGENE
Title (en)
METHOD FOR THE PRODUCTION OF 4,6-DICHLOROPYRIMIDINE WITH THE AID OF PHOSGENE
Title (de)
VERFAHREN ZUR HERSTELLUNG VON 4,6-DICHLORPYRIMIDIN MIT PHOSGEN
Title (fr)
PROCEDE DE PREPARATION DE 4,6-DICHLOROPYRIMIDINE A L'AIDE DE PHOSGENE
Publication
Application
Priority
- DE 19935322 A 19990728
- EP 0006805 W 20000717
Abstract (en)
[origin: DE19935322A1] 4,6-dichloropyrimidine is advantageously produced from 4-chloro-6-methoxypyrimidine by using phosgene as chlorinating agent and working in the presence of nitrogen-containing auxiliary agents.
IPC 1-7
IPC 8 full level
C07D 239/30 (2006.01); C07B 61/00 (2006.01); C07D 237/12 (2006.01)
CPC (source: EP US)
C07D 237/12 (2013.01 - EP US)
Citation (search report)
See references of WO 0109105A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19935322 A1 20010201; AU 6434900 A 20010219; CA 2381608 A1 20010208; EP 1204647 A1 20020515; JP 2003506361 A 20030218; US 6441171 B1 20020827; WO 0109105 A1 20010208
DOCDB simple family (application)
DE 19935322 A 19990728; AU 6434900 A 20000717; CA 2381608 A 20000717; EP 0006805 W 20000717; EP 00951392 A 20000717; JP 2001514308 A 20000717; US 4808702 A 20020124