http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4045490-A
Outgoing Links
Predicate | Object |
---|---|
assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_966a6c1f382ec9bcb5e3839dfd73e5b8 |
classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2602-24 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C201-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C49-753 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C401-00 |
filingDate | 1976-01-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 1977-08-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9c914297ab01157ffea6a4b27e340165 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_610a69093be0926e7b54cbfb63f504e9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4ddf73d0def22b02b429d2834e0ffbd0 |
publicationDate | 1977-08-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | US-4045490-A |
titleOfInvention | 9,10-Seco-steroid preparation |
abstract | A process for the preparation of 9,10-seco-steroids of the formula ##STR1## wherein R 1 and R 2 independently are hydrogen, amino, OR 5 , OCOR 6 or NHCOR 5 wherein R 5 is hydrogen or lower alkyl and R 6 is lower alkyl or phenyl; R 3 is lower alkyl; R 4 is oxo, ##STR2## wherein R 13 is lower alkyl, lower alkoxy - lower alkylene, tetrahydropyranyl or tetrahydrofuryl, R 14 is lower alkyl or aryl and R 15 and R 16 are lower alkyl or taken together form lower alkylene or arylene, and n is 1 or 2 is disclosed. The 9,10-seco-steroids of this invention are useful intermediates for the preparation of steroids. |
priorityDate | 1973-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 114.