http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S5616446-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5128cfc84a0fb189fceb3cd240c44493 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-92 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-08 |
| filingDate | 1979-07-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fe29e298baee96c1723979ac88aee4da |
| publicationDate | 1981-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S5616446-A |
| titleOfInvention | Novel derivative of terephthalic acid and its preparation |
| abstract | NEW MATERIAL:A 2-methoxy-5-haloterephthalic acid-1-alkyl ester of formula I (R is lower alkyl; X is halogen). n EXAMPLE: 2-Methoxy-5-chloroterephthalic acid-1-methyl ester. n USE: An intermediate for the preparation of pharmaceuticals. Usable for the preparation of 2-methoxy-4-amino-5-chloro-N-(tertiary aminoethyl) benzamide etc. of the pharmaceuticals having pharmacological actions, e.g. analgesic, sedative, neuroleptic and mental hypotonic actions. n PROCESS: The compound of formula I is obtained by the reaction of a compound of formula II in a solvent, e.g. methanol, in the presence of an acid catalyst (e.g. H 2 SO 4 or HCl) or by the reaction of the compound with diazomethane or an alkyl halide in a solvent, e.g. acetone or benzene. n COPYRIGHT: (C)1981,JPO&Japio |
| priorityDate | 1979-07-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 27.