2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl ester

Base Information

Chemical Name:2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl ester
CAS No.:868156-99-4
Molecular Formula:C₂₀H₂₈O₄
Molecular Weight:332.44
Hs Code.:

Synonyms:2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl ester

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Chemical Property of 2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl ester

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Technology Process of 2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl ester

There total 1 articles about 2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl 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: 86.0%

: 868157-00-0
2-(2,5-dimethoxy-4-methyl-phenyl)-pent-4-enoic acid 3-methyl-but-2-enyl ester

: 186581-53-3,908094-01-9,334-88-3
diazomethane

: 868156-99-4
2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl ester

Guidance literature:: 2-(2,5-dimethoxy-4-methyl-phenyl)-pent-4-enoic acid 3-methyl-but-2-enyl ester; With chloro-trimethyl-silane; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; for 9.5h;

With hydrogenchloride; for 0.666667h;

diazomethane; In diethyl ether; at 0 ℃; for 0.5h;
DOI:10.1016/j.tetlet.2005.12.071

Reference yield:

: 868156-99-4
2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl ester

: 243462-89-7
1-(2,5-dimethoxy-4-methylphenyl)-1,2,2-trimethyl-cyclopentane

Guidance literature:: Multi-step reaction with 5 steps

1: 97 percent / Cl₂Ru(PCy₃)2=CHPh / CH₂Cl₂ / 5 h / 20 °C

2: 96 percent / lithium aluminum hydride / diethyl ether / 2 h / 0 - 20 °C

3: 90 percent / pyridinium chlorochromate; silica gel / CH₂Cl₂ / 0.5 h / 20 °C

4: 73 percent / hydrazine hydrate; KOH; digol / 10 h / 120 - 160 °C

5: 100 percent / H₂ / Pd/C / ethanol / 3 h / 760 Torr

With potassium hydroxide; lithium aluminium tetrahydride; Grubbs catalyst first generation; hydrogen; silica gel; hydrazine hydrate; pyridinium chlorochromate; diethylene glycol; palladium on activated charcoal; In diethyl ether; ethanol; dichloromethane; 4: Wolff-Kishner reduction;
DOI:10.1016/j.tetlet.2005.12.071

Reference yield:

: 868156-99-4
2-allyl-2-(2,5-dimethoxy-4-methyl-phenyl)-3,3-dimethyl-pent-4-enoic acid methyl ester

: 878774-13-1
3-(2,5-dimethoxy-4-methyl-phenyl)-3,4,4-trimethyl-cyclopentanol

Guidance literature:: Multi-step reaction with 5 steps

1.1: 97 percent / Cl₂Ru(PCy₃)2=CHPh / CH₂Cl₂ / 5 h / 20 °C

2.1: 96 percent / lithium aluminum hydride / diethyl ether / 2 h / 0 - 20 °C

3.1: 90 percent / pyridinium chlorochromate; silica gel / CH₂Cl₂ / 0.5 h / 20 °C

4.1: 73 percent / hydrazine hydrate; KOH; digol / 10 h / 120 - 160 °C

5.1: NaBH₄; BF₃*Et₂O / tetrahydrofuran / 1 h / 0 - 20 °C

5.2: aq. NaOH; aq. H₂O₂ / 5 h / 0 - 20 °C

With potassium hydroxide; sodium tetrahydroborate; lithium aluminium tetrahydride; Grubbs catalyst first generation; boron trifluoride diethyl etherate; silica gel; hydrazine hydrate; pyridinium chlorochromate; diethylene glycol; In tetrahydrofuran; diethyl ether; dichloromethane; 4.1: Wolff-Kishner reduction;
DOI:10.1016/j.tetlet.2005.12.071