[3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane

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Chemical Name:[3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane
CAS No.:318262-29-2
Molecular Formula:C₃₅H₅₀O₈Si
Molecular Weight:626.863
Hs Code.:

Synonyms:[3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane

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Chemical Property of [3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane

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Technology Process of [3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane

There total 13 articles about [3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane 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: 84.0%

: 318262-28-1
3-ethynylbenzyl 2-[2-(2-methoxyethoxy)ethoxy]ethyl ether

: 318262-19-0
3-iodo-5-(2-trimethylsilylethynyl)benzyl 2-[2-(2-methoxyethoxy)ethoxy]ethyl ether

: 318262-29-2
[3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane

Guidance literature:: With copper(l) iodide; triethylamine; triphenylphosphine; tris(dibenzylideneacetone)dipalladium ⁽⁰⁾; at 70 ℃;
DOI:10.1021/ja002129e

Reference yield:

: 6307-83-1
3-bromo-5-nitro-benzoic acid

: 318262-29-2
[3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane

Guidance literature:: Multi-step reaction with 9 steps

1: 85 percent / BH₃*THF / tetrahydrofuran / 16 h / 20 °C

2: 92 percent / PCl₅ / CHCl₃ / 12 h / Heating

3: 84 percent / Bu₄NI; aq. NaOH / CH₂Cl₂ / 24 h / 20 °C

4: 90 percent / hydrazine hydrate; graphite / ethanol / 11 h / Heating

5: 98 percent / BF₃*OEt₂; t-butyl nitrite / tetrahydrofuran / -15 °C

6: 93 percent / K₂CO₃ / CH₂Cl₂ / 1 h / 0 °C

7: 80 percent / CuI; PPh₃; Et₃N / Pd₂(dba)3 / 41 h / 70 °C

8: 80 percent / CH₃I / 12 h / 110 °C

9: 84 percent / CuI; PPh₃; NEt₃ / Pd₂(dba)3 / 70 °C

With sodium hydroxide; copper(l) iodide; tert.-butylnitrite; borane-THF; phosphorus pentachloride; boron trifluoride diethyl etherate; tetra-(n-butyl)ammonium iodide; potassium carbonate; pyrographite; hydrazine hydrate; triethylamine; triphenylphosphine; methyl iodide; tris(dibenzylideneacetone)dipalladium ⁽⁰⁾; In tetrahydrofuran; ethanol; dichloromethane; chloroform; 7: Sonogashira coupling;
DOI:10.1021/ja002129e

Reference yield:

: 318261-49-3
1-bromo-3-(chloromethyl)-5-nitrobenzene

: 318262-29-2
[3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-5-(3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-phenylethynyl)-phenylethynyl]-trimethyl-silane

Guidance literature:: Multi-step reaction with 7 steps

1: 84 percent / Bu₄NI; aq. NaOH / CH₂Cl₂ / 24 h / 20 °C

2: 90 percent / hydrazine hydrate; graphite / ethanol / 11 h / Heating

3: 98 percent / BF₃*OEt₂; t-butyl nitrite / tetrahydrofuran / -15 °C

4: 93 percent / K₂CO₃ / CH₂Cl₂ / 1 h / 0 °C

5: 80 percent / CuI; PPh₃; Et₃N / Pd₂(dba)3 / 41 h / 70 °C

6: 80 percent / CH₃I / 12 h / 110 °C

7: 84 percent / CuI; PPh₃; NEt₃ / Pd₂(dba)3 / 70 °C

With sodium hydroxide; copper(l) iodide; tert.-butylnitrite; boron trifluoride diethyl etherate; tetra-(n-butyl)ammonium iodide; potassium carbonate; pyrographite; hydrazine hydrate; triethylamine; triphenylphosphine; methyl iodide; tris(dibenzylideneacetone)dipalladium ⁽⁰⁾; In tetrahydrofuran; ethanol; dichloromethane; 5: Sonogashira coupling;
DOI:10.1021/ja002129e