http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AR-113769-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_173bc2c63b34988699010ba05e5b1376 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D237-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A01N43-58 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D237-14 |
| filingDate | 2018-10-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_29e71338f70c04f98c191e3ae5cd03d1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0bc9b28d84580db4659af39e6b219986 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8f702e0b9a251dbf8878602c373e17fa http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2b9433efe070ebfa9509163128bb5af1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_570b22c3d1daaf4e8b3ed757a3542e97 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0bea27cfcb85490e84e3fabd31b6362d |
| publicationDate | 2020-06-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | AR-113769-A1 |
| titleOfInvention | PROCESS TO PREPARE PYRIDAZINONE-DERIVED HERBICIDES |
| abstract | Process for preparing herbicides derived from pyridazinone of formula (1). Claim 1: A process for producing a compound of formula (1), where R¹ is selected from the group consisting of hydrogen, C₁₋₆ alkyl, C₁₋₆ haloalkyl, (C₁₋₃ alkoxy) (C₁₋₃ alkyl) - , (C₁₋₃ alkoxy) (C₂₋₃ alkoxy) (C₁₋₃ alkyl) -, aryl, and a 5- or 6-membered heteroaryl, wherein the heteroaryl contains one to three heteroatoms each independently selected from the group consisting of oxygen, nitrogen and sulfur, and where the aryl and heteroaryl component may be optionally substituted; R² is C₁₋₆ alkyl or C₃₋₆ cycloalkyl; A¹ is selected from the group consisting of O, C (O), and (CR⁷R⁸); and R⁴, R⁶, R⁷, and R⁸ are each independently selected from the group consisting of hydrogen and C₁₋₄ alkyl; R³ and R⁵ are each independently selected from the group consisting of hydrogen and C₁₋₄ alkyl or together they may form a C₁₋₃ alkylene chain; the process comprising reacting a compound of formula (2), where X is a halogen; with a compound of formula (3), where A¹ and R³, R⁴, R⁵ and R⁶ are as defined with respect to formula (1) above; in a reaction medium comprising: (i) a palladium catalyst; (ii) a suitable phosphine-type ligand or phosphine-type ligand salt; (iii) a suitable basis; and (iv) carbon monoxide; to obtain a compound of formula (1). |
| priorityDate | 2017-10-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 31.