http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106458907-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-78 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-83 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-807 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-79 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-81 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-803 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-79 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-78 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-81 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-803 |
| filingDate | 2015-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7a40a513ba3247192cef297ef2d8a165 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_87e362de93ec53f95d52afe7f006fe00 |
| publicationDate | 2017-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106458907-A |
| titleOfInvention | Process for producing 3-(alkylsulfonyl)pyridine-2-carboxylic acid |
| abstract | The present invention manufactures 3-(alkylsulfonyl)pyridine-2-carboxylic acid or its salt through the following manufacturing method, the method comprises the following steps: make the compound shown in formula (1-N) and formula (2) The compound reaction shown, obtains the operation of the compound shown in formula (3-N); [In the formula, X represents a halogen atom. ] R 2 SM 2 (2) [wherein, R 2 represents a C1-C8 linear alkyl group, and M 2 represents a hydrogen atom or an alkali metal. 〕 [In the formula, R 2 and X represent the same meanings as above. ] making the compound shown in formula (3-N) react with hydrogen peroxide in the presence of a tungsten catalyst and an acid to obtain the compound shown in formula (6-N); [In the formula, R 2 and X represent the same meanings as above. ] reducing the compound shown in the formula (6-N) in the presence of a base and a heterogeneous transition metal catalyst to obtain the compound shown in the formula (8-N); [In the formula , R2 represents the same meaning as above. ] and a step in which the compound represented by the formula (8-N) is hydrolyzed in the presence of a base to obtain the compound represented by the formula (7) or a salt thereof. [In the formula , R2 represents the same meaning as above. ]. |
| priorityDate | 2014-06-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103717598-A |
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID466754751 |
Total number of triples: 25.