http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107721941-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D261-14 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D261-14 |
| filingDate | 2017-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107721941-B |
| titleOfInvention | Preparation method of 3-amino-5-methyl isoxazole |
| abstract | The invention discloses a preparation method of 3-amino-5-methyl isoxazole, which is completed by three steps and belongs to the technical field of organic chemistry. The method comprises the steps of firstly forming acetyl acetonitrile from easily obtained raw material ethyl acetate and acetonitrile in the presence of metal alkali, then reacting with p-toluenesulfonyl hydrazide to form hydrazone, and then performing ring closure reaction with hydroxylamine under an alkaline condition to obtain the 3-amino-5-methyl isoxazole. Raw materials are common in the reaction, so that chloroform or carbon tetrachloride in the traditional method is avoided, and the generation of similar isomers of the product is not detected in the reaction process. |
| priorityDate | 2017-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 63.