HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoate → 9-(4-Methoxy-3,5-diethyl-2,6-dimethyl-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoate | HCID 54295620 | — |
| Reactant | 4-Methoxy-3,5-diethyl-2,6-dimethyl-benzyl-triphenylphosphonium chloride | HCID 86735907 | — |
| Product | 9-(4-Methoxy-3,5-diethyl-2,6-dimethyl-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl ester | HCID 54203437 | — |
Reaction Steps
4-methoxy-3,5-diethyl-2,6-dimethyl-benzyl-triphenylphosphonium chloride is condensed with 7-formyl-3-methyl-octa-2,4,6-trien-1-oic acid ethyl ester to produce the 9-(4-methoxy-3,5-diethyl-2,6-dimethyl-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl ester which is converted by the procedure of Example 7 to 9-(4-methoxy-3,5-diethyl-2,6-dimethyl-phenyl)acid, m.p: 153°-154° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04224244 |
| Source dataset | uspto-grants-1980_09 |
| ORD ID | ord-deccb74f8df04c5aa4ad7431e9e329a1 |
| Source note | uspto-grants-1980_09 |