http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-219372-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0d78cd2835221849f6a74e6349185819 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B5-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B57-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D493-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D493-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B57-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B57-00 |
| filingDate | 1991-12-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1994-01-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2817a59c82c9e0fc65bbd0b13b8bfb39 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_000e66b2fccce6fc7a7181194a1994b3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0b64a3f6a515f86100151a9c2c818b06 |
| publicationDate | 1994-01-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | TW-219372-B |
| titleOfInvention | Process for the preparation of polycyclic dyes |
| abstract | A process for the preparation of a polycyclic dye of the formula (1), by reacting a substituted acetic acid of the formula (2), with a compound of the formula (3) and oxidation of the intermediate leuco compound to dehydrogenate the peripheral heterocyclic rings in which Y is an optionally substituted aromatic or heteroaromatic radical; Ring A is unsubstituted or is substituted by from one to five groups; Z is -NR1R2; R1 and R2 are each independently H or are independently selected from optionally substituted alkyl, alkenyl, cycloalkyl, aralkyl, aryl and heteroaryl; or R1 and R2 together with the nitrogen atom to which they are attached form a heterocyclic ring; or R1 and R2 each independently together with the nitrogen to which they are attached and the adjacent carbon atom of Ring B form a heterocyclic ring; and X1 and X2 are each independently selected from H, halogen, optionally substituted alkyl, optionally substituted aryl, optionally substituted heteroaryl, cyano, carbamoyl, sulphamoyl, carboxylic acid and carboxylic acid ester, a process for the preparation of the substituted acetic acid of Formula (2) and certain novel substituted acetic acids of Formula (2). |
| priorityDate | 1991-01-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 75.