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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 972097Generated: October 29, 2026

Ethyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoate → 9-(6-Chloro-4-methoxy2,5-dimethyl-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl ester

https://huagongshe.com/reaction/972097

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoateHCID 54295620—
ReactantHCID 86735156HCID 86735156—
Product9-(6-Chloro-4-methoxy2,5-dimethyl-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl esterHCID 135389—

Reaction Steps

By the procedure of Example 1, 6-chloro-4-methoxy-2,5-dimethyl-benzyl-triphenylphosphonium chloride is reacted with 7-formyl-3-methyl-octa-2,4,6-trien-1-oic acid ethyl ester to obtain 9-(6-chloro-4-methoxy-2,5-dimethyl-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl ester of melting point 106-107° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04163103
Source datasetuspto-grants-1979_07
ORD IDord-550bdca6e426407da3bafa48dd847cff
Source noteuspto-grants-1979_07