2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester

Base Information

Chemical Name:2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester
CAS No.:864934-82-7
Molecular Formula:C₁₈H₂₄O₄
Molecular Weight:304.386
Hs Code.:

Synonyms:2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester

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Chemical Property of 2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester

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Technology Process of 2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester

There total 5 articles about 2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester 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: 100.0%

: 864934-78-1
2-allyl-3-(2,4-dimethoxy-5-methyl-phenyl)-3-methyl-pent-4-enoic acid ethyl ester

: 864934-82-7
2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester

Guidance literature:: Grubbs catalyst first generation; In dichloromethane; at 20 ℃; for 4h;
DOI:10.1016/j.tetlet.2005.06.156

Reference yield:

: 864934-79-2
(E)-3-(2,4-Dimethoxy-5-methyl-phenyl)-but-2-en-1-ol

: 864934-82-7
2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 81 percent / EtCOOH / 48 h / 180 °C

2: 89 percent / LDA / tetrahydrofuran / 8 h / -70 - 20 °C

3: 100 percent / PhCH=Ru(Cl)2(PCy₃)2 / CH₂Cl₂ / 4 h / 20 °C

With lithium diisopropyl amide; Grubbs catalyst first generation; propionic acid; In tetrahydrofuran; dichloromethane;
DOI:10.1016/j.tetlet.2005.06.156

Reference yield:

: 864934-81-6
(E)-3-(2,4-Dimethoxy-5-methyl-phenyl)-but-2-enoic acid ethyl ester

: 864934-82-7
2-(2,4-dimethoxy-5-methyl-phenyl)-2-methyl-cyclopent-3-enecarboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 99 percent / LAH / diethyl ether / 2 h / -70 - -40 °C

2: 81 percent / EtCOOH / 48 h / 180 °C

3: 89 percent / LDA / tetrahydrofuran / 8 h / -70 - 20 °C

4: 100 percent / PhCH=Ru(Cl)2(PCy₃)2 / CH₂Cl₂ / 4 h / 20 °C

With lithium aluminium tetrahydride; lithium diisopropyl amide; Grubbs catalyst first generation; propionic acid; In tetrahydrofuran; diethyl ether; dichloromethane;
DOI:10.1016/j.tetlet.2005.06.156