Ethyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoate → HCID 54056482, compound
Reaction equation
[Cl-].[CH3:2][O:3][C:4]1[C:29]([CH3:30])=[C:28]([O:31][CH3:32])[CH:27]=[C:26]([CH3:33])[C:5]=1[CH2:6][P+](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[CH2:34]([O:36][C:37](=[O:48])[CH:38]=[C:39]([CH3:47])[CH:40]=[CH:41][CH:42]=[C:43]([CH:45]=O)[CH3:44])[CH3:35]>>[CH2:34]([O:36][C:37](=[O:48])[CH:38]=[C:39]([CH3:47])[CH:40]=[CH:41][CH:42]=[C:43]([CH3:45])[CH:44]=[CH:6][C:5]1[C:26]([CH3:33])=[CH:27][C:28]([O:31][CH3:32])=[C:29]([CH3:30])[C:4]=1[O:3][CH3:2])[CH3:35]Participants
3
Procedure
By the procedure of Example 1, 2,4-dimethoxy-3,6-dimethyl-benzyl-triphenyl-phosphonium chloride is reacted with 7-formyl-3-methyl-octa-2,4,6-trien-1-oic acid ethyl ester to obtain 9-(2,4-dimethoxy-3,6-dimethyl-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl ester.
Sources & evidence
- ORD record
- ord-798d51f6aa5342258fe16e47caeeb463
- Source dataset
- uspto-grants-1979_07
- Patent number
- US04163103
Reaction notes
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