4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene

Base Information

Chemical Name:4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene
CAS No.:406721-48-0
Molecular Formula:C₅₁H₇₀O₆Si
Molecular Weight:807.199
Hs Code.:

Synonyms:4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene

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Chemical Property of 4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene

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Technology Process of 4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene

There total 11 articles about 4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene 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: 58.0%

: 406721-38-8
1-iodo-2,5-dipropoxy-4-triisopropylsilylethynylbenzene

: 406721-47-9
1-(2,5-dipropoxyphenylethynyl)-4-ethynyl-2,5-dipropoxybenzene

: 406721-48-0
4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene

Guidance literature:: With piperidine; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; at 20 - 34 ℃; for 0.0833333h;
DOI:10.1002/1099-0690(200112)2001:23<4431::aid-ejoc4431>3.0.co;2-j

Reference yield:

: 3898-41-7
1,4-dipropoxybenzene

: 406721-48-0
4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene

Guidance literature:: Multi-step reaction with 6 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

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

5: 82 percent / nBu₄NF / tetrahydrofuran / 10 h

6: 58 percent / PPh₃; piperidine / PdCl₂(PPh₄)2/CuI / 0.08 h / 20 - 34 °C

With piperidine; potassium iodate; sulfuric acid; tetrabutyl ammonium fluoride; bromine; iodine; sodium acetate; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; tetrachloromethane; water; acetic acid; 3: Hagihara-Sonogashira reaction / 4: Hagihara-Sonogashira reaction / 6: 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

: 406721-48-0
4-(2,5-dipropoxyphenylethynyl)-1-[2,5-dipropoxy-4-(triisopropylsilylethynyl)phenylethynyl]2,5-dipropoxybenzene

Guidance literature:: Multi-step reaction with 7 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

5: 99 percent / PPh₃; piperidine / PdCl₂(PPh₄)2/CuI / 20 h

6: 82 percent / nBu₄NF / tetrahydrofuran / 10 h

7: 58 percent / PPh₃; piperidine / PdCl₂(PPh₄)2/CuI / 0.08 h / 20 - 34 °C

With piperidine; potassium iodate; potassium hydroxide; sulfuric acid; tetrabutyl ammonium fluoride; bromine; iodine; sodium acetate; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; In tetrahydrofuran; tetrachloromethane; ethanol; water; acetic acid; 4: Hagihara-Sonogashira reaction / 5: Hagihara-Sonogashira reaction / 7: Hagihara-Sonogashira reaction;
DOI:10.1002/1099-0690(200112)2001:23<4431::aid-ejoc4431>3.0.co;2-j