http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H01108989-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P41-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P7-62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P7-42 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-317 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C59-90 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-353 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-738 |
| filingDate | 1987-10-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f257e63f6f2ea4841148a14cac14be01 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6a48cb8be90afcd3b9f41ff9c47b2ea2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cf1279d98782c00b7ed8767a8017b2f8 |
| publicationDate | 1989-04-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H01108989-A |
| titleOfInvention | Production of optically active cyclopentenones |
| abstract | PURPOSE: To industrially advantageously obtain the titled compounds to be used for drug intermediates etc., by reaction between hydroxycyclopentenones and lower aliphatic carboxylic acids to perform acylation and rearrangement simultaneously followed by making an esterase act on the system to effect asymmetric hydrolysis. n CONSTITUTION: A hydroxycyclopentenone of formula I (R is H or lower alkyl; n is integer of 4W8) [e.g. 3-hydroxy-2-(6-methoxycarbonylhexyl)-4-cyclopentenone] is allowed to react with a lower aliphatic carboxylic acid (e.g. acetic acid), its anhydride and its metal salt to perform acylation and rearrangement simultaneously to produce a dl-cyclopentenone ester of formula II [R' is (halogen- substituted) lower alkyl]. Thence, an esterase is made to act on this ester to effect asymmetric hydrolysis, thus obtaining the objective optically active cyclopentenones of formula III. n COPYRIGHT: (C)1989,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100395231-B1 |
| priorityDate | 1987-10-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.