http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S60174744-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B55-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-353 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-333 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B31-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-747 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C61-37 |
| filingDate | 1984-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d13a5591e9db3723950380fefc0c5835 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_719b9499e69b3427d8cc79d865715645 |
| publicationDate | 1985-09-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S60174744-A |
| titleOfInvention | Method for racemizing chrysanthemum-monocarboxylic acid derivative |
| abstract | PURPOSE: To obtain a racemic modification of chrysanthemum-monocarboxylic acid derivative, rich in the trans isomer, and useful for producing insecticidal esters, by racemizing an optically active chrysanthemum-monocarboxyic acid derivative efficiently with boron bromide. n CONSTITUTION: One mol optically active chrysanthemum-monocarboxylic acid derivative of the formula (R is H, 1W20C alkyl, cycloalkyl or aralkyl; * is asymmetric carbon atom) useful as a raw material for pyrethroid based insecticides is racemized with 1/1,000W1/2mol BBr 3 in an inert solvent, e.g. n-hexane, at -30W+130°C for 10minW20hr. Thus, the derivative of the formula can be converted into more useful (+) isomer by combination with various optical resolution methods, and the racemic modification of the chrysanthemum-monocarboxylic acid derivative useful for producing insecticidal esters by esterification reaction with various pyrethroid alcohols is obtained. n COPYRIGHT: (C)1985,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114539045-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114539045-B |
| priorityDate | 1984-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 32.