http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2605556-C1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2a62aebbfa32ee9a671165308b7e963d |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-547 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-547 |
| filingDate | 2015-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-12-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_704a70cb161acc1f145c7437b5dc1231 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_56ae5147f80249cb4ecf4160d626f4c4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7a2e68934dc786069cf5e88da438460b |
| publicationDate | 2016-12-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2605556-C1 |
| titleOfInvention | 4-n-[(dihydroxyphosphoryl)methyl]-6-(chloromethyl)-1,4,2-oxazaphosphorinane and method for production thereof |
| abstract | FIELD: chemistry. n SUBSTANCE: invention relates to a method of producing 4-N-(dihydroxyphosphoryl)methyl-6-(chloromethyl)-1,4,2-oxazaphosphorinane, which can be used as organic semi-finished product for synthesis of polyfunctional chelants, of formula: . Proposed method comprises reaction of tetrasodium salt iminobis(methylphosphonic acid) with epichlorohydrin, taken in excess of 10 %, in an aqueous medium at room temperature with subsequent acidification of reaction mass and separation from evaporated reaction solution of end product by non-methanol precipitation with subsequent filtration of sediment of desired compound. Cleaning of 4-N-(dihydroxyphosphoryl)methyl-6-(chloromethyl)-1,4,2-oxazaphosphorinane is performed by recrystallization of glacial acetic acid. Precipitate is filtered and recrystallised from glacial acetic acid. n EFFECT: novel efficient method of producing a promising chemical product. n 3 cl, 1 ex |
| priorityDate | 2015-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 41.