http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103880684-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4f2c62ec89c694f685b37d4b8df0b620 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C209-68 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-49 |
| filingDate | 2012-12-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7230b7831d021cfb1f7acdc3e5b814bc http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b823f1ca889f932bcfa81c9d539bfdaa http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1c3d8884b787ef40f72d152a3977a5ad http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_948749b70ed9fa46f715a01f294fe5e7 |
| publicationDate | 2014-06-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103880684-A |
| titleOfInvention | Preparation method for removing hydrogen chloride from p-aminobenzylamine dihydrochloride |
| abstract | The present invention provides a method for freeing p-aminobenzylamine from a dihydrochloride of the p-aminobenzylamine by using triethylamine, wherein the optimal reaction conditions comprise that: a molar ratio of p-aminobenzylamine dihydrochloride to triethylamine is 1:8-14, 1,3-dioxolane is adopted as a solvent, the reaction time is 4-16 h, and the reaction temperature is 20-35 DEG C. According to the present invention, the p-aminobenzylamine yield under the optimized conditions is up to 96.8%, and the method has characteristics of simple synthesis process, easy separation and purification, high yield and easy operation. |
| priorityDate | 2012-12-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 42.