http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2018050792-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8e0bf0928b608797b70bbc2b91c7e52e |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-08 |
| filingDate | 2017-09-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4613026089669af0e9becfff425ad454 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fb8f3657728a2c39963105bd6e02d121 |
| publicationDate | 2018-03-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | WO-2018050792-A1 |
| titleOfInvention | Process for preparing esters of 12'-apocarotenals as building blocks for carotenoids |
| abstract | The present invention relates to a process for preparing a 12'-apocarotenal ester of the formula (I), R 1 is e.g. hydrogen, C 1 -C 20 -alkyl, C2-C2o-alkenyl, C 4 -C 20 -alkdienyl, C 6 -C 20 -alktrienyl or C 8 -C 20 -alktetraenyl, R 2 is e.g. hydrogen or -NRaRb, wherein R a is e.g. hydrogen, C 1 -C 4 -alkyl, -C(0)-C 1 -C 3 -alkyl, -Boc or -Cbz, R b is e.g. hydrogen or C 1 -C 4 -alkyl, R 3 is e.g. hydrogen, and X is CH 2 or C=0, the process being characterized in that an alcohol of the formula (IV), is reacted with a carboxylic acid or one of its derivatives of the formula (V), wherein the variables R 1 , R 2 and R 3 are as defined above, and for n = 1 the variable Z is halogen, -OH or -0-C(0)-C 1 -C 4 -alkyl, and for n = 2 the variable Z is O or S, wherein the reaction is carried out in the presence of a tertiary amine and in case a compound of the formula (IV) with Z = -OH is used also in the presence of an activator. The invention further relates to certain 12'-apocarotenal esters of the formula (I). |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11261145-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111072541-A |
| priorityDate | 2016-09-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 351.