http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108003046-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_460d44e96c2bf0e84af28db178ee719a |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C227-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C229-12 |
| filingDate | 2016-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e07afba3258fb36f4eaf16e087542f08 |
| publicationDate | 2018-05-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108003046-A |
| titleOfInvention | A kind of synthesis technique of 4- methylaminobutyric acids methyl ester hydrochloride |
| abstract | The invention discloses a kind of synthesis technique of 4 methylaminobutyric acid methyl ester hydrochloride, it is characterised in that：Temperature is for 12 18 DEG C and under stirring outside, the thionyl chloride newly distilled is added dropwise into absolute ethyl alcohol, 34 are added dropwise when small, rear to add 4 methylaminobutyric acid hydrochlorides, temperature is 18 25 DEG C inside, inside is when stirring reaction 20 25 is small under dry system, decompression adds absolute ethyl alcohol dissolving residue after steaming methanol, adds anhydrous ether, freeze overnight crystallizes, filtering, with crystallization solution washing three times, white solid is obtained after dry.Yield is higher than 90%. |
| priorityDate | 2016-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 36.