http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H04253972-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1af8df51ce24ca931ae718fb747f6aa0 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D409-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D333-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D333-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K9-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C1-73 |
| filingDate | 1991-05-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8cd3e6fb315705c1650d4198a150964f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_35de76c2990b7cb40b5b8dd3385ed111 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_074819d620605305dd1d6670004933cd |
| publicationDate | 1992-09-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H04253972-A |
| titleOfInvention | Thiophene derivative having conjugated long chain at 3-position and photo-responsive material |
| abstract | PURPOSE: To provide the subject thiophene derivatives having a conjugated long chain at 3-position, capable of generating only one isomer by photo- irradiation, remarkably large in difference between the absorption bands of its isomers and between the emission bands thereof, useful as a photo-responsive material and capable of reversible conversion between isomers. n CONSTITUTION: Compounds of the formula (R is aldehyde, carboxyl, alkyl ester or alkyl acetal; n is 3-5), e.g. 11-(3-thienyl)undeca-2,4,6,8,10-pentenecarboxylic acid. The above-mentioned compounds can be obtained by reacting a thiophene derivative having a conjugated long chain the terminal group of which is an aldehyde group at 3-position with a triphenylphosphorane or a triphenylphosphonium salt having an alkyl acetal group and subsequently hydrolyzing it. Suitable for a photo-responsive material such as a photo-recording material or a photo-sensitive material. n COPYRIGHT: (C)1992,JPO&Japio |
| priorityDate | 1990-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.