4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene

Base Information

Chemical Name:4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene
CAS No.:1310529-83-9
Molecular Formula:C₂₄H₂₈Si
Molecular Weight:344.572
Hs Code.:

Synonyms:4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene

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Chemical Property of 4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene

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Technology Process of 4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene

There total 4 articles about 4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene 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: 48.0%

: 1310529-78-2
1-[2-(2-phenylethynyl)phenyl]-3-(trimethylsilyl)prop-2-ynyl benzoate

: 594-19-4
tert.-butyl lithium

: 1310529-83-9
4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene

Guidance literature:: tert.-butyl lithium; With copper(l) cyanide; In diethyl ether; pentane; at -78 ℃; for 0.0833333h; Inert atmosphere;

1-[2-(2-phenylethynyl)phenyl]-3-(trimethylsilyl)prop-2-ynyl benzoate; In diethyl ether; pentane; at -78 - 0 ℃; for 2h; Inert atmosphere;
DOI:10.1039/c0ob01275k

Reference yield:

: 59046-72-9
o-(phenylethynyl)benzaldehyde

: 1310529-83-9
4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene

Guidance literature:: Multi-step reaction with 3 steps

1.1: ethyl bromide; magnesium / tetrahydrofuran / 0 - 20 °C / Inert atmosphere

2.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere

2.2: 1.5 h / Inert atmosphere

3.1: copper(l) cyanide / diethyl ether; pentane / 0.08 h / -78 °C / Inert atmosphere

3.2: 2 h / -78 - 0 °C / Inert atmosphere

With ethyl bromide; n-butyllithium; copper(l) cyanide; magnesium; In tetrahydrofuran; diethyl ether; hexane; pentane;
DOI:10.1039/c0ob01275k

Reference yield:

: 879286-37-0
3-(trimethylsilyl)-1-[2-(2-phenylethynyl)phenyl]prop-2-yn-1-ol

: 1310529-83-9
4,4-dimethyl-1-[2-(phenylethynyl)phenyl]-3-(trimethylsilyl)pent-1,2-diene

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere

1.2: 1.5 h / Inert atmosphere

2.1: copper(l) cyanide / diethyl ether; pentane / 0.08 h / -78 °C / Inert atmosphere

2.2: 2 h / -78 - 0 °C / Inert atmosphere

With n-butyllithium; copper(l) cyanide; In tetrahydrofuran; diethyl ether; hexane; pentane;
DOI:10.1039/c0ob01275k