http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4340742-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_da54f7ebbd2d9d8a82f92aca4d1b4e48 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D249-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D285-06 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D285-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D249-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D249-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A01N43-828 |
| filingDate | 1980-05-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1982-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_65b67e47a5a01d91a22e2f5af738ea59 |
| publicationDate | 1982-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-4340742-A |
| titleOfInvention | Process for making 5-mercapto-1,2,3-triazoles |
| abstract | A process for making 5-mercapto-1,2,3-triazoles of the formula ##STR1## wherein R 1 is hydrogen or a C 1 -C 4 -alkyl which may also be substituted, the said process comprising n (1) as a first step reacting a solution of 1,2,3-thiadiazole-5-carbohydroxamic acid derivative of the formula ##STR2## wherein R 1 has the meaning as above and R 2 is hydrogen or a univalent metal equivalent in an inert organic solvent in the presence of an acid acceptor with a solution in an inert organic solvent of an acid halide of the formula n n R.sub.3 --X n n so as to form an acylated 1,2,3-thiadiazole-5-carbohydroxamic acid derivative n (2) reacting as a solution in an inert organic solvent the carbohydroxamic acid derivative just obtained with an alcohol or phenol of the formula n n H--O--R.sub.4 n n so as to form a (1,2,3-thiadiazole-5-yl)-carbamic acid ester n (3) then treating the thus obtained carbamic acid ester with an acetic or basic catalyst to form the 5-amino-1,2,3-thiadiazole n (4) whereupon the said amino thiadiazole is subject to a rearrangement in the presence of a base followed by isolation of the product of the reaction. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4594424-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4515619-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102838566-A |
| priorityDate | 1979-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 300.