Ethyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoate → HCID 204051, compound

HRID 1448764Notes

Reaction equation

[Cl-].[Cl:2][C:3]1[C:28]([Cl:29])=[C:27]([O:30][CH3:31])[CH:26]=[C:25]([Cl:32])[C:4]=1[CH2:5][P+](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[CH2:33]([O:35][C:36](=[O:47])[CH:37]=[C:38]([CH3:46])[CH:39]=[CH:40][CH:41]=[C:42]([CH:44]=O)[CH3:43])[CH3:34]>>[CH2:33]([O:35][C:36](=[O:47])[CH:37]=[C:38]([CH3:46])[CH:39]=[CH:40][CH:41]=[C:42]([CH3:44])[CH:43]=[CH:5][C:4]1[C:25]([Cl:32])=[CH:26][C:27]([O:30][CH3:31])=[C:28]([Cl:29])[C:3]=1[Cl:2])[CH3:34]

Participants

Reactant 2

HCID 54295620Ethyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoate

HCID 86735152HCID 86735152, compound

Product 1

HCID 204051HCID 204051, compound

Procedure

By the procedure of Example 1, 2,3,6-trichloro-4-methoxy-benzyltriphenyl-phosphonium chloride is reacted with 7-formyl-3-methyl-octa-2,4,6-trien-1-oic acid ethyl ester to obtain 9-(2,3,6-trichloro-4-methoxy-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl ester of melting point 126°-128° C.

Sources & evidence

ORD record: ord-fb121db994894790830896e5edfc0649
Source dataset: uspto-grants-1980_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04187247

Reaction notes

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