http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-201231460-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b09f893b262cefd50c5e76c4b85d1c0a |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D265-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D265-18 |
| filingDate | 2011-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_83ea032c296a5bcaeaf9d54a5fddf0de http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ca9761b6df2a644b9d2a69f169e71c10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_85e5486ae11fbef6ecf6345044830e21 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_542f21e496c9ad126e635d8c30d43d79 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5e26df7f7a057f87b60c158d8e1ef66c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2e81eca992647a801b0b7ed69be132b1 |
| publicationDate | 2012-08-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | TW-201231460-A |
| titleOfInvention | Process for the synthesis of cyclic carbamates |
| abstract | The invention is directed to a process for the preparation of a cyclic carbamatestarting with a chiral propargylic alcohol and/or a suitable salt thereof, which is reacted with a cyclisation agent selected from phosgene, diphosgene, triphosgene and mixtures thereof, and in that the reaction is carried out in the presence of an aqueous base, and a water-immiscible organic solvent, said organic solvent mainly comprising at least one compound selected from C2-5-alkyl C2-5-carboxylates and mixtures of at least one C2-5-alkyl C2-5-carboxylate with at least one C5-8-alkane. Another aspect of the invention is directed to a process for the synthesis of said cyclic carbamatestartingdescribed above, wherein also a process for the preparation of the chiral propargylic alcohol is provided. |
| priorityDate | 2010-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 188.