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1. WO2019016111 - METHOD FOR PREPARATION OF CHLORINATED S-PROPYLTHIOBARBITURIC ACID

Publication Number WO/2019/016111
Publication Date 24.01.2019
International Application No. PCT/EP2018/069193
International Filing Date 16.07.2018
IPC
C07D 239/47 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
239Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
02not condensed with other rings
24having three or more double bonds between ring members or between ring members and non-ring members
28with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
46Two or more oxygen, sulfur or nitrogen atoms
47One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
CPC
C07D 239/30
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
239Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
02not condensed with other rings
24having three or more double bonds between ring members or between ring members and non-ring members
28with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
30Halogen atoms or nitro radicals
C07D 239/47
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
239Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
02not condensed with other rings
24having three or more double bonds between ring members or between ring members and non-ring members
28with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
46Two or more oxygen, sulfur or nitrogen atoms
47One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
Applicants
  • LONZA LTD [CH]/[CH]
Inventors
  • BERSIER, Michael
  • HANSELMANN, Paul
  • STOFFEL, Candid
Priority Data
17181961.818.07.2017EP
62/533,83818.07.2017US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHOD FOR PREPARATION OF CHLORINATED S-PROPYLTHIOBARBITURIC ACID
(FR) PROCÉDÉ DE PRÉPARATION D'ACIDE S-PROPYLTHIOBARBITURIQUE CHLORÉ
Abstract
(EN) The invention discloses a method for preparation of 4,6-dichloro-5-nitro-2- (propylthio)pyrimidine by conversion of 5-nitro-2-propylthiopyrimidine-4,6-diol with phosgene in the presence of DMF.
(FR) L'invention concerne un procédé de préparation de 4,6-dichloro-5-nitro-2-(propylthio)pyrimidine par conversion de 5-nitro-2-propylthiopyrimidine-4,6-diol avec du phosgène en présence de DMF.
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