ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate

Base Information

Chemical Name:ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate
CAS No.:807376-71-2
Molecular Formula:C₁₈H₂₄O₃
Molecular Weight:288.387
Hs Code.:

Synonyms:ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate

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Chemical Property of ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate

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Technology Process of ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate

There total 8 articles about ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate 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: 98.0%

: 807376-03-0
ethyl 3-(4-methoxyphenyl)-4,4-dimethyl-3-vinylhept-6-enoate

: 807376-71-2
ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate

Guidance literature:: Grubbs catalyst first generation; In dichloromethane; at 20 ℃; for 4h;
DOI:10.1081/SCC-200034755

Reference yield:

: 104-92-7
1-bromo-4-methoxy-benzene

: 807376-71-2
ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate

Guidance literature:: Multi-step reaction with 7 steps

1.1: 85 percent / lithium / tetrahydrofuran / 1 h / sonication

2.1: 97 percent / pyridinium chlorochromate; silica gel / CH₂Cl₂ / 3 h / 20 °C

3.1: magnesium / tetrahydrofuran

3.2: 70 percent / tetrahydrofuran / 4 h / 20 °C

4.1: 83 percent / pyridinium chlorochromate; silica gel / CH₂Cl₂ / 30 h / 20 °C

5.1: 70 percent / sodium borohydride / methanol / 2 h / cooling

6.1: 47 percent / propionic acid / 48 h / 180 °C

7.1: 98 percent / PhCH=RhCl₂(PCy₃)2 / CH₂Cl₂ / 4 h / 20 °C

With sodium tetrahydroborate; silica gel; lithium; magnesium; propionic acid; pyridinium chlorochromate; Grubbs catalyst first generation; In tetrahydrofuran; methanol; dichloromethane; 1.1: Barbier coupling / 6.1: Johnson-Claisen orthoester rearrangement;
DOI:10.1081/SCC-200034755

Reference yield:

: 5497-67-6
2,2-dimethyl-4-pentenal

: 807376-71-2
ethyl 2-[1-(4-methoxyphenyl)-5,5-dimethylcyclopent-3-en-1-yl]acetate

Guidance literature:: Multi-step reaction with 7 steps

1.1: 85 percent / lithium / tetrahydrofuran / 1 h / sonication

2.1: 97 percent / pyridinium chlorochromate; silica gel / CH₂Cl₂ / 3 h / 20 °C

3.1: magnesium / tetrahydrofuran

3.2: 70 percent / tetrahydrofuran / 4 h / 20 °C

4.1: 83 percent / pyridinium chlorochromate; silica gel / CH₂Cl₂ / 30 h / 20 °C

5.1: 70 percent / sodium borohydride / methanol / 2 h / cooling

6.1: 47 percent / propionic acid / 48 h / 180 °C

7.1: 98 percent / PhCH=RhCl₂(PCy₃)2 / CH₂Cl₂ / 4 h / 20 °C

With sodium tetrahydroborate; silica gel; lithium; magnesium; propionic acid; pyridinium chlorochromate; Grubbs catalyst first generation; In tetrahydrofuran; methanol; dichloromethane; 1.1: Barbier coupling / 6.1: Johnson-Claisen orthoester rearrangement;
DOI:10.1081/SCC-200034755