http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113999238-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B2200-07 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02A50-30 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D487-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-04 |
| filingDate | 2021-11-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113999238-B |
| titleOfInvention | A kind of preparation method of cyclo-trans-4-L-hydroxyprolyl-L-serine-O-amino acid ester hydrochloride |
| abstract | The invention discloses a method for preparing cyclo-trans-4-L-hydroxyprolyl-L-serine-O-amino acid ester hydrochloride, wherein, step f: reacting the compound shown in chemical formula 6 to generate chemical formula 7 In the process of the compound shown, the organic solution of hydrochloric acid is used as a deprotecting agent; the compound shown in chemical formula 7 is the cyclo-trans-4-L-hydroxyprolyl-L-serine-O-amino acid ester hydrochloride; The hydrochloric acid organic solution is selected from one or more of hydrochloric acid isopropanol solution, hydrochloric acid methanol solution, hydrochloric acid ethanol solution, hydrochloric acid ethyl acetate solution, hydrochloric acid acetone solution. The present invention can not only improve the yield and quality of the whole process, save material cost, optimize the production process of the process, but also provide anti-4-L-hydroxyprolyl-L-serine-O-amino acid ester hydrochloride A more excellent large-scale production method has been developed, which can be well applied to industrial production. |
| priorityDate | 2021-11-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 150.