http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-456210-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a27ca344c4cbf344abe5af956ed2d12f |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C29-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C29-00 |
| filingDate | 1935-04-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1936-11-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-456210-A |
| titleOfInvention | Process for the separation of the acylatable constituents of a substance mixture |
| abstract | The acylatable constituents of a substance mixture are separated from the non-acylatable constituents, by causing the mixture other than a germinal gland hormone preparation to react with a sulpho-carboxylic acid of the general formula <FORM:0456210/IV/1> where R indicates a substituted or unsubstituted aliphatic, alicyclic, aromatic, or heterocyclic residue. The sulpho-carboxylic acid ester is then separated as a salt from the non-reacted compounds and the acylatable constituent required is recovered by saponification of the ester. The sulphocarboxylic acid is suitably brought into reaction as the chloride, and the reaction is preferably conducted in the presence of a tertiary amine such as pyridine, quinoline or dimethylaniline. In this case the ester sulphonic acid is precipitated by means of an organic solvent such as benzine, benzene, or ether. In an example the separation of myristic alcohol from paraffin oil is described, using as the separation medium m-benzoic acid sulphochloride in the presence of pyridine. A preferred saponifying medium in the case of esters of the sterols is sodium ethylate. Instead of m-benzoic acid sulphochloride, other carboxylic acid sulphochlorides can be employed. Specification 450,325 is referred to. Samples have been furnished under Sect. 2 (5) of (1) ethyl cetyl ether which has been separated from cetyl alcohol by the process of the present invention using as the condensing agent p-toluic acid sulpho-chloride, and (2) hydrofarnesol which has been separated from farnesan by the use of p-chlor-benzoic acid sulpho-chloride. The mixture of hydrofarnesol and farnesan which was used to prepare sample 2 was obtained by the catalytic hydrogenation of farnesol. The Specification as open to inspection under Sect. 91 comprised also examples which corresponded to samples (1) and (2) above. This subject-matter does not appear in the Specification as accepted. |
| priorityDate | 1934-04-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 44.