| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2de3beee83d9c19278da409b72c777a8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_994aecced8e072b72c71bc52ed808051
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f33b989fe400b0dd28158dfad90e1287
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_68d8db86fa21fdefafd3c558c43a5bc2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b79f439a0dc0b01b343a6c9e8159bd38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a22c27803eb3af10fb4c12b6e46cf169 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C201-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C205-37 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C205-37
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-24 |
| filingDate |
2003-02-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d8570a4388937f7f376a883fa3f5e43e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0255753941f9c8b95592e67f0794448d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fd6b0a0184cb8f154e58d77b5934e428
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d137162acbdd9209c27d68a34ac130bf
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_26338c09c67ec56a087255ffd7bae298 |
| publicationDate |
2003-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-03080555-A1 |
| titleOfInvention |
Process for producing chromone compound |
| abstract |
A process for producing a dicarboxylic acid compound represented by the formula (4): (4) (wherein R1 and R2 are the same or different and each represents lower alkyl; and the wavy line indicates that this compound is the (E) or (Z) isomer or a mixture of both), characterized by reacting a compound represented by the formula (2): (2) (wherein R1, R2, and the wavy line have the same meanings as the above; and one of X2 and X3 represents hydrogen and the other represents halogeno) with a nitrophenol represented by the formula (3): (3) in the presence of a base; a process for producing a nitrochromone compound represented by the formula (5): (5) (wherein R1 has the same meaning as the above), characterized by reacting the dicarboxylic acid compound or a carboxylic acid thereof with an acid; a process for producing an aminochromone compound which comprises reducing the nitrochromone compound; and a process for producing an amidochromone compound which comprises acylating the aminochromone compound. |
| priorityDate |
2002-02-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |