2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione

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Chemical Name:2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione
CAS No.:308256-26-0
Molecular Formula:C₂₆H₄₀O₂Si
Molecular Weight:412.688
Hs Code.:

Synonyms:2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione

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Chemical Property of 2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione

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Technology Process of 2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione

There total 11 articles about 2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione 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: 50.0%

: 308256-18-0
(4-Ethyl-phenyl)-diisopropyl-[(Z)-5-(6-methyl-1,4,8,11-tetraoxa-dispiro[4.1.4.3]tetradec-6-yl)-pent-2-enyl]-silane

: 308256-26-0
2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione

Guidance literature:: With acetic acid; at 65 ℃;

Reference yield:

: 1193-55-1
2-methylcyclohexane-1,3-dione

: 308256-26-0
2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione

Guidance literature:: Multi-step reaction with 8 steps

1.1: NEt₃

2.1: PPTS / benzene

3.1: 72 percent / Dibal-H / CH₂Cl₂ / -78 °C

4.1: 85 percent / 18-crown-6; KHMDS / tetrahydrofuran / -78 °C

5.1: 96 percent / Dibal-H / CH₂Cl₂ / -78 °C

6.1: 72 percent / PPh₃; hexachloroacetone / tetrahydrothiophene 1,1-dioxide

7.1: potassium-graphite / tetrahydrofuran / 0 °C

7.2: 49 percent / tetrahydrofuran / -78 °C

8.1: 50 percent / aq. acetic acid / 65 °C

With 18-crown-6 ether; 1,1,1,3,3,3-hexachloro-propan-2-one; potassium; pyridinium p-toluenesulfonate; potassium hexamethylsilazane; diisobutylaluminium hydride; pyrographite; acetic acid; triethylamine; triphenylphosphine; In tetrahydrofuran; sulfolane; dichloromethane; benzene; 1.1: Michael addition / 2.1: ketalization / 3.1: Reduction / 4.1: Condensation / 5.1: Reduction / 6.1: Substitution / 7.1: Reduction / 7.2: Substitution / 8.1: Ring cleavage;

Reference yield:

: 7751-38-4
Diisopropylsilyl dichloride

: 308256-26-0
2-{(Z)-5-[(4-Ethyl-phenyl)-diisopropyl-silanyl]-pent-3-enyl}-2-methyl-cyclohexane-1,3-dione

Guidance literature:: Multi-step reaction with 3 steps

1.1: 75 percent / tetrahydrofuran / Heating

2.1: potassium-graphite / tetrahydrofuran / 0 °C

2.2: 49 percent / tetrahydrofuran / -78 °C

3.1: 50 percent / aq. acetic acid / 65 °C

With potassium; pyrographite; acetic acid; In tetrahydrofuran; 1.1: Substitution / 2.1: Reduction / 2.2: Substitution / 3.1: Ring cleavage;