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

Participants

Role	Name	HCID	Charge
Reactant	Ethyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoate	HCID 54295620	—
Reactant	HCID 86735156	HCID 86735156	—
Product	9-(6-Chloro-4-methoxy2,5-dimethyl-phenyl)-3,7-dimethyl-nona-2,4,6,8-tetraen-1-oic acid ethyl ester	HCID 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

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US04187247
Source dataset	uspto-grants-1980_02
ORD ID	ord-4eb9be987d38442ca830a5c9bccdda1f
Source note	uspto-grants-1980_02