http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1059673-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_966a6c1f382ec9bcb5e3839dfd73e5b8 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2601-16 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-298 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C403-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C403-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C403-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-515 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-68 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-5435 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-54 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C47-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C403-00 |
| filingDate | 1963-11-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1967-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1059673-A |
| titleOfInvention | Process for the preparation of polyene compounds |
| abstract | Difficultly crystallizable Vitamin A isomers resulting from the synthetic or extractive preparation of Vitamin A or esters thereof, are reacted with a triaryl phosphine in the presence of a proton donor, or with an acid addition salt of a triaryl phosphine, and the resulting triaryl phosphonium salt is isolated in crystalline form; this salt then may be reacted with an unsaturated aldehyde in the presence of a proton acceptor to obtain a carotenoid. The unsaturated aldehyde may be Vitamin A aldehyde or an aldehyde of formula <FORM:1059673/C2/1> where the bond shown as a broken line is optional, n is 0 or 1 and R is an alkoxycarbonyl or acetalized aldehyde group (see Specifications 1,059,674 and 1,059,675). In examples, retinyl-triphenyl -phosphonium chloride is obtained by reacting triphenyl phosphine with Vitamin A from various sources, and the retinyl-triphenyl-phosphonium chloride is reacted with Vitamin A aldehyde to obtain beta-carotene, with 2,6-dimethyl - 8 - oxo - octatrien - (2,4,6) - acid - (1) ethyl ester to obtain all-trans-b -apo-81-carotenic acid ethyl ester, with 1,1-diethoxy-4-methyl-hexen - (4) - yn - (2 - al - (6) to obtain 111,121-dehydro - b - apo - 101 - carotinal diethyl acetal, with 1,1 - diethoxy - 2,6 - dimethyl - octatrien-(2,4,6)-al-(8) to obtain b -apo-81-carotinal, and with 1,1 - diethoxy - 2,6 - dimethyl - octadien-(2,6) - yn - (4) - al - (8) to obtain 111,121 - dehydro - b - apo - 81 - carotinal diethyl acetal. Reference has been directed by the Comptroller to Specification 877,351. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0000140-A1 |
| priorityDate | 1962-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 42.