3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene

Base Information

Chemical Name:3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene
CAS No.:921229-82-5
Molecular Formula:C₄₁H₇₄O₃Si
Molecular Weight:643.122
Hs Code.:

Synonyms:3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene

Chemical Property:

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Technology Process of 3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene

There total 4 articles about 3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene 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: 90.0%

: 921229-81-4
3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-1-iodobenzene

: 1066-54-2
trimethylsilylacetylene

: 921229-82-5
3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene

Guidance literature:: With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride;
DOI:10.1021/ja0665848

Reference yield:

: 921229-75-6
1,2,3-tris((S)-3,7-dimethyloctan-1-yloxy)benzene

: 921229-82-5
3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene

Guidance literature:: Multi-step reaction with 5 steps

1: 86 percent / silica gel-supported nitric acid / CH₂Cl₂ / 0.08 h

2: 94 percent / hydrazine monohydrate; graphite / ethanol / 12 h / Heating

3: 90 percent / aq. HBF₄; t-butyl nitrite / CH₂Cl₂; tetrahydrofuran / 10 - 15 °C

4: 90 percent / potassium acetate; 18-crown-6; I₂ / CHCl₃

5: 90 percent / NEt₃; CuI / bis(triphenylphosphine)palladium(II)dichloride

With copper(l) iodide; tetrafluoroboric acid; tert.-butylnitrite; 18-crown-6 ether; iodine; nitric acid; potassium acetate; silica gel; pyrographite; hydrazine hydrate; triethylamine; bis-triphenylphosphine-palladium(II) chloride; In tetrahydrofuran; ethanol; dichloromethane; chloroform;
DOI:10.1021/ja0665848

Reference yield:

: 3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)benzenediazonium tetrafluoroborate

: 921229-82-5
3,4,5-tris((S)-3,7-dimethyloctan-1-yloxy)-(2-trimethylsilyl)ethynylbenzene

Guidance literature:: Multi-step reaction with 2 steps

1: 90 percent / potassium acetate; 18-crown-6; I₂ / CHCl₃

2: 90 percent / NEt₃; CuI / bis(triphenylphosphine)palladium(II)dichloride

With copper(l) iodide; 18-crown-6 ether; iodine; potassium acetate; triethylamine; bis-triphenylphosphine-palladium(II) chloride; In chloroform;
DOI:10.1021/ja0665848