http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H0383954-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C209-84 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C209-86 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C209-84 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-02 |
| filingDate | 1990-08-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2850d813d4efd61d609202e6f281b9b3 |
| publicationDate | 1991-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H0383954-A |
| titleOfInvention | Reduction of primary and secondary amine contents of tertiary amine |
| abstract | PURPOSE: To reduce prim. and sec. amine contents of a tert. amine, by bringing the tert. amine into contact with an org. acid anhydride. n CONSTITUTION: The tert. amine contg. no prim. and sec. amines is obtd. by bringing a tert. amine into contact with the acid anhydride of the formula, (where R 1 and R 2 are each 1-18C alkyl or 2-18C alkenyl; R 1 in combination with R 2 is 1-10C alkylene or substd. ortho-phenylene, contg. a double bond), at 20-200°C, preferably 50-150°C, until the prim. and sec. amine contents of the tert. amine reach the required lower limit. The quantity of acetic anhydride or phthalic anhydride as the acid anhydride, is 1-2mol per 1mol of the prim and sec. amines. n COPYRIGHT: (C)1991,JPO |
| priorityDate | 1989-08-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 23.