1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

Base Information

Chemical Name:1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene
CAS No.:406721-45-7
Molecular Formula:C₂₆H₃₃BrO₄
Molecular Weight:489.45
Hs Code.:

Synonyms:1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

Suppliers and Price of 1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

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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 1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

Chemical Property:

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Technology Process of 1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

There total 5 articles about 1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene 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: 99.0%

: 216306-45-5
1-bromo-4-iodo-2,5-dipropoxybenzene

: 406721-42-4
2-ethynyl-1,4-dipropyloxybenzene

: 406721-45-7
1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

Guidance literature:: With piperidine; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; at 20 ℃; for 12h;
DOI:10.1002/1099-0690(200112)2001:23<4431::aid-ejoc4431>3.0.co;2-j

Reference yield:

: 3898-41-7
1,4-dipropoxybenzene

: 406721-45-7
1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

Guidance literature:: Multi-step reaction with 3 steps

1: 76 percent / Br₂; NaOAc / acetic acid / 12 h / 20 °C

2: 77 percent / iodine; KIO₃; H₂SO₄ / H₂O; acetic acid; CCl₄ / 5 h / Heating

3: 99 percent / PPh₃; piperidine / PdCl₂(PPh₄)2/CuI / 12 h / 20 °C

With piperidine; potassium iodate; sulfuric acid; bromine; iodine; sodium acetate; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrachloromethane; water; acetic acid; 3: Hagihara-Sonogashira reaction;
DOI:10.1002/1099-0690(200112)2001:23<4431::aid-ejoc4431>3.0.co;2-j

Reference yield:

: 123-31-9,8027-02-9
hydroquinone

: 406721-45-7
1-(2,5-dipropoxyphenylethynyl)-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

Guidance literature:: Multi-step reaction with 4 steps

1: 85 percent / KOH / ethanol / 2 h / Heating

2: 76 percent / Br₂; NaOAc / acetic acid / 12 h / 20 °C

3: 77 percent / iodine; KIO₃; H₂SO₄ / H₂O; acetic acid; CCl₄ / 5 h / Heating

4: 99 percent / PPh₃; piperidine / PdCl₂(PPh₄)2/CuI / 12 h / 20 °C

With piperidine; potassium iodate; potassium hydroxide; sulfuric acid; bromine; iodine; sodium acetate; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrachloromethane; ethanol; water; acetic acid; 4: Hagihara-Sonogashira reaction;
DOI:10.1002/1099-0690(200112)2001:23<4431::aid-ejoc4431>3.0.co;2-j