http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H01199934-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/C07C51-09 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C65-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C12P41-00 |
| filingDate | 1988-09-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6a48cb8be90afcd3b9f41ff9c47b2ea2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cf1279d98782c00b7ed8767a8017b2f8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_12466abcb89afcdafa16d690bca3dca4 |
| publicationDate | 1989-08-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H01199934-A |
| titleOfInvention | Optically active substituted biphenylcarboxylic acids and production thereof |
| abstract | NEW MATERIAL:The compound of formula I (R is 1W20C alkyl or alkoxyalkyl which may be substituted with halogen; * represents asymmetric carbon atom.). n EXAMPLE: (+)-4'-(1-Propoxyethyl)-4-biphenylcarboxylic acid. n USE: Useful as an intermediate for pharmaceuticals, agricultural chemicals, etc., especially for liquid crystal compounds. n PREPARATION: The objective compound of formula I can be produced by condensing optically active alcohols of formula II (R' is lower alkyl) with a alkylation agent of formula R-X [X is a halogen or OSO 2 R''' (R''' is lower alkyl or (substituted)phenyl)] and hydrolyzing the resultant optically active ether derivative of formula III under alkaline condition. The starting compound of formula II is produced by reacting alcohols of formula IV with lower alkylcarboxylic acids and subjecting the resultant esters of formula V to asymmetric hydrolysis with an esterase capable of hydrolyzing either one of the optically active isomers of said esters. n COPYRIGHT: (C)1989,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2484117-C2 |
| priorityDate | 1987-09-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 21.