http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H01238593-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4acae202b6a15394281949545e70d2f6 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-4006 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J41-005 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J7-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-40 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J75-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J41-00 |
| filingDate | 1989-01-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_76f061d4f61cbaa4a2f6a2692906babb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8a173f1bce523e93139471351f1ed756 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ad9e39419d99913ab21f6fc45fdca83a |
| publicationDate | 1989-09-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H01238593-A |
| titleOfInvention | 1-substituted alkylphosphonic acid esters and its preparation |
| abstract | NEW MATERIAL: A compound represented by formula I (wherein: X is -NHCHO or -NC; and each of alk 1 and alk 2 is a 1-8C alkyl group). n EXAMPLE: 1-isocyanoethylphosphonic acid diethyl ester. n USE: Raw materials for preparing 17a-hydroxy-20-ketosteroids. n PREPARATION: The preparation of such a compound represented by the formula 1, wherein X is -NC, comprises: allowing a compound represented by the formula II to react with a formylating agent such as formic acid to obtain a compound represented by the formula III; and then, allowing the compound represented by the formula III to react with phosgene or phosphorus oxychloride. n COPYRIGHT: (C)1989,JPO |
| priorityDate | 1980-07-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.