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1. (WO1986000890) NITRATION PROCESS FOR 2,3-DICHLORO-1,4-XYLENE
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1986/000890 International Application No.: PCT/US1985/001362
Publication Date: 13.02.1986 International Filing Date: 19.07.1985
IPC:
C07C 205/12 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
205
Compounds containing nitro groups bound to a carbon skeleton
07
the carbon skeleton being further substituted by halogen atoms
11
having nitro groups bound to carbon atoms of six-membered aromatic rings
12
the six-membered aromatic ring or a condensed ring system containing that ring being substituted by halogen atoms
Applicants: UNION CARBIDE CORPORATION[US/US]; 39 Old Ridgebury Road Danbury, CT 06817, US
Inventors: SMITH, Oliver, Wendell; US
Agent: COON, Gerald, L.; Union Carbide Corporation Law Department - E134 39 Old Ridgebury Road Danbury, CT 06817, US
Priority Data:
632,83620.07.1984US
Title (EN) NITRATION PROCESS FOR 2,3-DICHLORO-1,4-XYLENE
(FR) PROCEDE POUR LA NITRATION DU 2,3-DICHLORO-1,4-XYLENE
Abstract:
(EN) A process for monitrating 2,3-dichloro-1,4-xylene to produce 2,3-dichloro-5-nitro-1,4-xylene utilizing an aqueous nitrating solution consisting essentially of 80 to 98% nitric acid at 25oC-60oC and at a molar ratio of nitric acid to 2,3-dichloro-1,4-xylene of 3:1 or more.
(FR) Un procédé pour la mononitration de 2,3-dichloro-1,4-xylène pour produire du 2,3-dichloro-5-nitro-1,4-xylène à l'aide d'une solution aqueuse de nitration composée essentiellement de 80 à 98% d'acide nitrique à 25o-60oC et avec un rapport molaire de l'acide nitrique au 2,3-dichloro-1,4-xylène de 3:1 ou plus.
Designated States: AU, HU, JP
European Patent Office (EPO) (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)