(2-cyclopentylidene ethenyl)-benzene

Base Information

Chemical Name:(2-cyclopentylidene ethenyl)-benzene
CAS No.:1200697-34-2
Molecular Formula:C₁₃H₁₄
Molecular Weight:170.254
Hs Code.:

Synonyms:(2-cyclopentylidene ethenyl)-benzene

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Chemical Property of (2-cyclopentylidene ethenyl)-benzene

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Technology Process of (2-cyclopentylidene ethenyl)-benzene

There total 3 articles about (2-cyclopentylidene ethenyl)-benzene 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: 87.0%

: 1200696-97-4
((1-methoxycyclopentyl)ethynyl)benzene

: 1200697-34-2
(2-cyclopentylidene ethenyl)-benzene

Guidance literature:: ((1-methoxycyclopentyl)ethynyl)benzene; With n-butyllithium; zirconocene dichloride; In tetrahydrofuran; hexane; at -78 - 20 ℃; Inert atmosphere;

With hydrogenchloride; water; In tetrahydrofuran; hexane; Inert atmosphere;
DOI:10.1021/jo9020419

Reference yield: 55.0%

: 17356-19-3
1-ethynylcyclopentanol

: 98-80-6
phenylboronic acid

: 1200697-34-2
(2-cyclopentylidene ethenyl)-benzene

Guidance literature:: 1-ethynylcyclopentanol; phenylboronic acid; In 1,4-dioxane; at 75 ℃; for 1h; Inert atmosphere; Molecular sieve;

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,4-dioxane; for 2h; Inert atmosphere; Heating;
DOI:10.1055/s-0036-1591580

Reference yield:

: 536-74-3
phenylacetylene

: 1200697-34-2
(2-cyclopentylidene ethenyl)-benzene

Guidance literature:: Multi-step reaction with 3 steps

1.1: n-butyllithium / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere

1.2: 3 h / 0 - 20 °C / Inert atmosphere

2.1: sodium hydride / tetrahydrofuran; N,N-dimethyl-formamide / 1 h / 0 °C

2.2: 2 h / 0 - 20 °C / Inert atmosphere

3.1: zirconocene dichloride; n-butyllithium / tetrahydrofuran / 3 h / -78 °C / Inert atmosphere

3.2: Inert atmosphere

With n-butyllithium; zirconocene dichloride; sodium hydride; In tetrahydrofuran; N,N-dimethyl-formamide;
DOI:10.1039/c2cc32131a