http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-2223270-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_09653e74a187959c318d17c9e08b73cc |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C403-24 |
| filingDate | 2003-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b82b51ab7a9f7fbdac4b58213604c0c6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b6c3fba9ee90fb1bb67ed2cf4461ddb6 |
| publicationDate | 2005-02-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-2223270-A1 |
| titleOfInvention | ASTAXANTINE SYNTHESIS PROCEDURE. |
| abstract | Procedure for the synthesis ofnAstaxanthinn n n Procedure for the synthesis of the compound ofnformula I (Scheme 1).n n n It is obtained from the carotenoid of formula IIn(Scheme 2) by a procedure comprising the followingnphases:n n n - protection of hydroxyl groups bynformation of alkyl or aryl esters by reactionnwith reagents of the type R-CO-X, wherenR is an alkyl or aryl moiety and X is a good leaving group, ornwell, by formation of the oxymethyl ethers by reactionnwith reagents type R'-OCH2-Y, wherenR 'is an alkyl moiety and Y is a good leaving group;n n n - oxidation of the compound protected by the action ofnsalts or complexes of Chrome (VI), ofn n n Manganese or its mixtures in aqueous media ornaqueous-organic;n n n - elimination of protective groupsnused by a saponification process.n n n They are useful as dyes in the industrynfood |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2016037785-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2010058235-A1 |
| priorityDate | 2003-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 80.