http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107513093-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b79442665238788672c16b767b281e2b |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J41-0066 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J41-00 |
| filingDate | 2017-09-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_86b9b941cdef257e509c17ab579e7203 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c2a30d3da1cdf8c47a4a153d8dfaf11d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5b445af748c722e1fd203e1a898a8cd2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c89472cca3f518525456d63404f9d68e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_33c2cff0a7bcc67d7b36f3185acad876 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_43d88252a5ce319f94b451484b1efbbc |
| publicationDate | 2017-12-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107513093-A |
| titleOfInvention | The preparation method of epristeride intermediate and preparation method thereof, epristeride |
| abstract | The present invention relates to drug field, in particular to the preparation method of a kind of epristeride intermediate and preparation method thereof, epristeride.A kind of preparation method of epristeride intermediate, it comprises the following steps：Compound 3 and alkaline reagent sulfonating reaction generation compound 4；Compound 3 and alkaline reagent sulfonating reaction generation compound 4, reaction conversion is single, avoids column chromatography for separation；The alkaline reagent that course of reaction uses is readily available, and reaction condition is gentle.And reduce unit operation, the production cycle is shortened, improves production efficiency.Production efficiency is high, improves economic benefit. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111624291-A |
| priorityDate | 2017-09-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 82.