http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1193218-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_70ec63d39d6704bacc5c7068c93ded43 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-412 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D315-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-41 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D315-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D305-12 |
| filingDate | 1968-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f4955c7a7ca4dfd2e07af35d1ff480bd http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_93622d04ca4e7842786841a5903aed59 |
| publicationDate | 1970-05-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1193218-A |
| titleOfInvention | Multi-Step Process for the preparation of a beta-Lactone |
| abstract | 1,193,218. Preparing #-lactones. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 25 Nov., 1968, No. 55802/68. Heading C2C. #-Lactones are prepared in a multi-step process, the first step comprising extracting an aqueous solution which contains a salt of a #-halogen monocarboxylic acid, which salt in the said aqueous solution undergoes reaction to form a #-lactone, with a liquid comprising or consisting of a water-immiscible organic solvent for the #-lactone until between 75 and 95% wt. of the salt of the halogen acid has been converted, separating an aqueous and an organic layer, and in one or more subsequent steps extracting the aqueous layer with a liquid comprising or consisting of a water-immiscible organic solvent for the #-lactone, this liquid in at least one step being fresh water-immiscible solvent, and separating an aqueous and an organic layer after each extraction, and if desired isolating the #-lactone from one or more of the organic layers. The example describes the preparation of pivalolactone. Specification 1,070,238 is referred to. |
| priorityDate | 1968-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID6476006 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID426113422 |
Total number of triples: 17.