http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-429541-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_02952b53249649e8f35d68904f49ad0b |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F- http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K- http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J- |
| filingDate | 1974-08-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1976-09-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-429541-A1 |
| titleOfInvention | PROCEDURE FOR OBTAINING DIPHOSPHONIC ACIDS. |
| abstract | Procedure for obtaining diphosphonic acids, of formula I: **(See formula)** or of its salts, where R means a hydrogen atom or an alkyl radical with 1 to 6 carbon atoms, characterized in that dicarboxylic acid derivatives of formula X- (CH2) 2-X are reacted, where X means -CN, -CONH2 or -CONHR (R = C1-6 -alkyl radical) with phosphorous trihalides or phosphorous acid and phosphorous trihalides, the reaction product is hydrolyzed alkaline and the salts are optionally converted into acids . (Machine-translation by Google Translate, not legally binding) |
| priorityDate | 1973-08-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 15.