http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-325994-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d037bc74e34c7d73dd883f208aef0518 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D205-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D205-08 |
| filingDate | 1966-04-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1967-03-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-325994-A1 |
| titleOfInvention | PROCEDURE FOR THE PREPARATION OF 2-AZETIDINONES 3,3, DISUSTITUIDAS. |
| abstract | Process for the preparation of 3,3-disubstituted 2-azetidinones, of formula ** (See formula) ** wherein R and R 'signify a hydrogen atom, an ethyl, propyl or phenyl radical; R "represents a hydrogen atom, or acyl radicals of aliphatic and aromatic carboxylic acids, characterized in that a 2-unsubstituted 2-azetidinone of formula is refluxed, ** (See formula) ** wherein R and R 'have the above meaning, with an excess on an equimolar amount of trioxymethylene in a lower water-alkanol mixture at a pH greater than about 8, and optionally treating the 2-hydroxymethyl-2-azetidinone, , 3-disubstituted, with an acylating agent chosen from chlorides and acyl anhydrides of aliphatic and aromatic carboxylic acids. (Machine-translation by Google Translate, not legally binding) |
| priorityDate | 1965-04-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 15.