Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate

Base Information

Chemical Name:Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate
CAS No.:162792-84-9
Molecular Formula:C₂₄H₃₄O₂
Molecular Weight:354.533
Hs Code.:

Synonyms:Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate

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Chemical Property of Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate

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Technology Process of Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate

There total 6 articles about Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate 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:

: 4071-88-9
trimethylsilanyl-acetic acid ethyl ester

: 162792-81-6
(E,E)-3-<3-<2-(2,6,6-Trimethylcyclohex-2-enyl)ethenyl>cyclohex-2-enylidene>propan-2-one

: 162792-84-9
Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate

: 162792-85-0
Ethyl (E,E,E)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate

Guidance literature:: With lithium diisopropyl amide; In tetrahydrofuran; at -78 ℃; Yield given. Yields of byproduct given;
DOI:10.1248/cpb.42.2659

Reference yield:

: 121846-23-9
(E)-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-propenal S,S-acetal

: 162792-84-9
Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate

Guidance literature:: Multi-step reaction with 6 steps

1: BuLi / tetrahydrofuran; hexane / 1.) r.t., 1 h, 2.) r.t., 3 h

2: HgCl₂, HgO / methanol / 0.25 h / Ambient temperature

3: TsOH*2H₂O / acetone / 1 h / Ambient temperature

4: 100 percent / NaOMe / CH₂Cl₂; methanol / 3 h / Ambient temperature

5: 1.) LDA, 2.) AcOH, aq. NaOAc / 1.) THF, benzene, r.t., 30 min; THF, r.t., 2 h, 2.) THF, r.t., 5h

6: LDA / tetrahydrofuran / 1.) -78 deg C, 15 min, 2.) r.t., 30 min

With n-butyllithium; sodium methylate; sodium acetate; toluene-4-sulfonic acid; acetic acid; mercury dichloride; mercury(II) oxide; lithium diisopropyl amide; In tetrahydrofuran; methanol; hexane; dichloromethane; acetone;
DOI:10.1039/a606719k

Reference yield:

: 102574-19-6
(E)-3-<2-(2,6,6-Trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enone

: 162792-84-9
Ethyl (E,E,Z)-3-methyl-4-<3-<2-(2,6,6-trimethylcyclohex-1-enyl)ethenyl>cyclohex-2-enylidene>but-2-enoate

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) LDA, 2.) AcOH, aq. NaOAc / 1.) THF, benzene, r.t., 30 min; THF, r.t., 2 h, 2.) THF, r.t., 5h

2: LDA / tetrahydrofuran / 1.) -78 deg C, 15 min, 2.) r.t., 30 min

With sodium acetate; acetic acid; lithium diisopropyl amide; In tetrahydrofuran;
DOI:10.1039/a606719k