SE337011BSE1355366ASE1355366ASE337011BSE 337011 BSE337011 BSE 337011BSE 1355366 ASE1355366 ASE 1355366ASE 1355366 ASE1355366 ASE 1355366ASE 337011 BSE337011 BSE 337011B
Authority
SE
Sweden
Prior art keywords
dichloro
sbcl5
nitrotoluene
chlorinating
orthobromobenzoate
Prior art date
Application number
SE1355366A
Inventor
R Thrift
Original Assignee
Parke Davis & Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Parke Davis & CofiledCriticalParke Davis & Co
Publication of SE337011BpublicationCriticalpatent/SE337011B/xx
C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
C07C205/07—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms
C07C205/11—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings
C07C205/12—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings the six-membered aromatic ring or a condensed ring system containing that ring being substituted by halogen atoms
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
The invention comprises 2,4-dichloro-3-nitrotoluene and a process for producing it by chlorinating 4-chloro-3-nitrotoluene in presence of a catalyst such as SbCl3, SbCl5, I2, FeCl3 or AlCl3. The chlorinating agent may be Cl2 or SbCl5. Reduction of the product to 2,6-dichloro-3-methylaniline and condensation of the latter with potassium orthobromobenzoate gives N-(2,6-dichloro-3-methylphenyl) -anthranilic acid.
A PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT WITH ANTIFLOGISTIC AND / OR ANALGETIC ACTION, AND A PROCESS FOR THE PREPARATION OF A 2-HYDROXYETHYLIDEENYCYANIC ACID ACID ANILIDE SUITABLE FOR USE IN THIS PROCESS.
PROCESS FOR THE PREPARATION OF IMPACT-RESISTANT POLYSTY REACTION COMPOSITIONS AND FORMED PRODUCTS COMPRISING WHOLLY OR PARTIALLY OF THESE COMPOSITIONS.
PROCESS FOR THE PREPARATION OF MIXTURES WITH NEMATIC PROPERTIES, AND PROCESS FOR THE PREPARATION OF A P-CYANPHENYL ESTER SUITABLE FOR INCLUSION IN SUCH MIXTURES OF A P-N-ALKYL BENZOIC ACID.
PROCESS FOR THE PREPARATION OF PHARMACEUTICAL PREPARATIONS AND WITH ANTI-ALLERGIC ACTION, THE PRODUCTS THEREFORE FORMED, AS WELL AS IRON FOR THE PREPARATION OF 5: 6-BENZO-RANGE DERIVATIVES.
METHOD FOR PREPARING A MEDICINAL PRODUCT WITH BRONCHI-REMOVERING AND THE DISSOLUTION OF STOMINIC ACID AGAINST ACTION, AND METHOD FOR PREPARING PYRIMIDIN COMPOUNDS USED THEREIN
PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT WITH ANALGETIC AND ANTIPYRETIC AND ANTI-INFLAMMATION ACTION, FORMED MEDICINAL PRODUCT AND PROCESS FOR THE PREPARATION OF MEDICINAL COMPOUNDS.