5-cyclopentylidene-2,2-diphenylpent-4-enoic acid

Base Information

Chemical Name:5-cyclopentylidene-2,2-diphenylpent-4-enoic acid
CAS No.:1402740-00-4
Molecular Formula:C₂₂H₂₂O₂
Molecular Weight:318.415
Hs Code.:

Synonyms:5-cyclopentylidene-2,2-diphenylpent-4-enoic acid

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Chemical Property of 5-cyclopentylidene-2,2-diphenylpent-4-enoic acid

Chemical Property:

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Technology Process of 5-cyclopentylidene-2,2-diphenylpent-4-enoic acid

There total 7 articles about 5-cyclopentylidene-2,2-diphenylpent-4-enoic acid 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: 95.0%

: 1402740-15-1
methyl 5-cyclopentylidene-2,2-diphenylpent-4-enoate

: 1402740-00-4
5-cyclopentylidene-2,2-diphenylpent-4-enoic acid

Guidance literature:: methyl 5-cyclopentylidene-2,2-diphenylpent-4-enoate; With potassium hydroxide; In ethanol; water; for 24h; Reflux;

With hydrogenchloride; In ethanol; water; pH=2;
DOI:10.1002/chem.201200547

Reference yield:

: tert-butyldimethyl[(3-(1-((tetrahydro-2H-pyran-2-yl)oxy)cyclopentyl)prop-2-yn-1-yl)oxy]silane

: 1402740-00-4
5-cyclopentylidene-2,2-diphenylpent-4-enoic acid

Guidance literature:: Multi-step reaction with 5 steps

1.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 12 h / 25 °C / Inert atmosphere

2.1: lithium aluminium tetrahydride / tetrahydrofuran / 0.75 h / 0 - 45 °C / Inert atmosphere

3.1: dmap; pyridine / dichloromethane / 12 h / 0 - 20 °C / Inert atmosphere

4.1: lithium hexamethyldisilazane / tetrahydrofuran / 2 h / -78 °C / Inert atmosphere

4.2: 14 h / -78 - 20 °C / Inert atmosphere

5.1: sodium hydroxide / ethanol; water / 12 h / Inert atmosphere; Reflux

5.2: Inert atmosphere

With pyridine; dmap; lithium aluminium tetrahydride; tetrabutyl ammonium fluoride; sodium hydroxide; lithium hexamethyldisilazane; In tetrahydrofuran; ethanol; dichloromethane; water;
DOI:10.1039/c4ob02640c

Reference yield:

: 1-(3-((tert-butyldimethylsilyl)oxy)prop-1-yn-1-yl)cyclopentanol

: 1402740-00-4
5-cyclopentylidene-2,2-diphenylpent-4-enoic acid

Guidance literature:: Multi-step reaction with 6 steps

1.1: toluene-4-sulfonic acid / dichloromethane / 0.17 h / 0 °C / Inert atmosphere

1.2: 12 h / 25 °C / Inert atmosphere

2.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 12 h / 25 °C / Inert atmosphere

3.1: lithium aluminium tetrahydride / tetrahydrofuran / 0.75 h / 0 - 45 °C / Inert atmosphere

4.1: dmap; pyridine / dichloromethane / 12 h / 0 - 20 °C / Inert atmosphere

5.1: lithium hexamethyldisilazane / tetrahydrofuran / 2 h / -78 °C / Inert atmosphere

5.2: 14 h / -78 - 20 °C / Inert atmosphere

6.1: sodium hydroxide / ethanol; water / 12 h / Inert atmosphere; Reflux

6.2: Inert atmosphere

With pyridine; dmap; lithium aluminium tetrahydride; tetrabutyl ammonium fluoride; toluene-4-sulfonic acid; sodium hydroxide; lithium hexamethyldisilazane; In tetrahydrofuran; ethanol; dichloromethane; water;
DOI:10.1039/c4ob02640c