http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108752310-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D317-54 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D317-54 |
| filingDate | 2018-07-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108752310-B |
| titleOfInvention | Preparation method of piperonal |
| abstract | The invention provides a preparation method of piperonal, which comprises the following steps: the piperonyl, the catalyst and the urotropine react in an alcohol solvent at 50-120 ℃ for 1-10 h to obtain the piperonal. The whole process only needs one-step reaction, the process is simplified, the yield is higher, the discharge amount of three wastes is relatively lower, the waste water is easy to treat, and the industrial production is easy to realize. |
| priorityDate | 2018-07-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 57.