http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2571101-C1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cf816d83468174a16a38c98fbc53d02b |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J63-00 |
| filingDate | 2015-02-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-12-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_46eae527bea1cb2387ecf2eacab5eabb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e2a425d0d7d430efa45886473390c618 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e09b4263f687dcd375c901cf770fb034 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_30552ae72b1ea77e01d7c527ca11fe99 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a33417066ad29b8a30ad249c8e21ef0d |
| publicationDate | 2015-12-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2571101-C1 |
| titleOfInvention | Method for sulphation of betulin 3-propionate |
| abstract | FIELD: chemistry. n SUBSTANCE: sulphation of bitulin 3-propionate is carried out in N,N-dimethylformamide with mixture of sulfamic acid and urea at temperature 30-40°C for 2.0-3.0 hours, with product extraction being carried out by cooling of reaction mass, its dilution with water, extraction with butyl or isoamyl alcohol, water washing, processing of alcohol extract with the following concentration of alcohol layer and extraction of target product. n EFFECT: method improvement. n 4 cl, 4 ex |
| priorityDate | 2015-02-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 60.