http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S6219550-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d9edc4ccfdac42242e2bc31f2a4f20b8 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-67 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-407 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-51 |
| filingDate | 1985-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1cb517bbc6eeda5329ebdc40ad956d36 |
| publicationDate | 1987-01-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S6219550-A |
| titleOfInvention | Production of menthone |
| abstract | PURPOSE: To obtain menthone, by subjecting 1,5-dimethyl-4-hexenyl acetal and acetaldehyde to addition reaction, halogenating the resultant compound and intramolecularly alkylating the halogenated compound in the presence of a phase-transfer catalyst. n CONSTITUTION: 1,5-Dimethyl-4-hexenyl acetal and acetaldehyde are subjected to addition reaction to form 4-isopropyl-1-methyl-5-oxohexyl acetate, which is then halogenated and then intramolecularly alkylated in the presence of a phase-transfer catalyst, e.g. benzo-15-crown-5, or an aprotic solvent or the above-mentioned acetate is thermally decomposed or thermally cyclized to give the aimed menthone. n EFFECT: Since the 1,5-dimethyl-4-hexenyl acetal which can be readily synthesized from methylheptenone is used as the raw material, it can be stably and industrially fed at a low cost, and the reaction can be carried out under relatively mild conditions. n USE: A raw material for perfumes, e.g. menthol. n COPYRIGHT: (C)1987,JPO&Japio |
| priorityDate | 1985-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 50.