2-Pentenoic acid, 5-butoxy-5-(4-methoxyphenyl)-3-methyl-, ethyl ester, (E)-

Base Information

Chemical Name:2-Pentenoic acid, 5-butoxy-5-(4-methoxyphenyl)-3-methyl-, ethyl ester, (E)-
CAS No.:82343-48-4
Molecular Formula:C19H28O4
Molecular Weight:320.42300
Hs Code.:

Synonyms:(E)-5-Butoxy-5-(4-methoxy-phenyl)-3-methyl-pent-2-enoic acid ethyl ester;

Suppliers and Price of 2-Pentenoic acid, 5-butoxy-5-(4-methoxyphenyl)-3-methyl-, ethyl ester, (E)-

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 2-Pentenoic acid, 5-butoxy-5-(4-methoxyphenyl)-3-methyl-, ethyl ester, (E)-

Chemical Property:

PSA：44.76000
LogP:4.45250

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of 2-Pentenoic acid, 5-butoxy-5-(4-methoxyphenyl)-3-methyl-, ethyl ester, (E)-

There total 3 articles about 2-Pentenoic acid, 5-butoxy-5-(4-methoxyphenyl)-3-methyl-, ethyl ester, (E)- which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 82343-41-7
4-methoxybenzaldehyde di-n-butyl acetal

: 82343-39-3
ethyl 2-(trimethylsilyl)-3-methyl-3-butenoate

: 82343-49-5
ethyl 3-methyl-5-(O-n-butyl)-5-(4-methoxyphenyl)-2(Z)-pentenoate

: 82343-48-4
ethyl 3-methyl-5-(O-n-butyl)-5-(4-methoxyphenyl)-2(E)-pentenoate

Guidance literature:: With trimethylsilyl trifluoromethanesulfonate; In dichloromethane; Yield given; 1.) -78 deg C, 15 min; 2.) -78 deg C, 2 h;
DOI:10.1016/S0040-4039(00)86931-2

Reference yield:

: 588-43-2
Tributyl orthoformate

: 82343-48-4
ethyl 3-methyl-5-(O-n-butyl)-5-(4-methoxyphenyl)-2(E)-pentenoate

Guidance literature:: Multi-step reaction with 2 steps

1: 52 percent / p-toluenesulfonic acid*H₂O / butan-1-ol; benzene / 1.) 1 h, 0 deg C, 2.) 20 h, room temp.

2: Me₃SiOTf / CH₂Cl₂ / 2 h / -78 °C

With trimethylsilyl trifluoromethanesulfonate; toluene-4-sulfonic acid; In dichloromethane; butan-1-ol; benzene;
DOI:10.1021/jo00174a026

Reference yield:

: 123-11-5
4-methoxy-benzaldehyde

: 82343-48-4
ethyl 3-methyl-5-(O-n-butyl)-5-(4-methoxyphenyl)-2(E)-pentenoate

Guidance literature:: Multi-step reaction with 2 steps

1: 52 percent / p-toluenesulfonic acid*H₂O / butan-1-ol; benzene / 1.) 1 h, 0 deg C, 2.) 20 h, room temp.

2: Me₃SiOTf / CH₂Cl₂ / 2 h / -78 °C

With trimethylsilyl trifluoromethanesulfonate; toluene-4-sulfonic acid; In dichloromethane; butan-1-ol; benzene;
DOI:10.1021/jo00174a026