4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester

Base Information

Chemical Name:4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester
CAS No.:72449-13-9
Molecular Formula:C₂₉H₃₁O₃P
Molecular Weight:458.537
Hs Code.:

4-Cyclopentyl-3-oxo-2-(triphenyl-λ<sup>5</sup>-phosphanylidene)-butyric acid ethyl ester

Synonyms:4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester

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Chemical Property of 4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester

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Technology Process of 4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester

There total 12 articles about 4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester 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: 96.0%

: 107408-54-8
4-Cyclopent-2-enyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester

: 72449-13-9
4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester

Guidance literature:: With hydrogen; platinum(IV) oxide; In ethyl acetate; for 0.5h; under 760 Torr;

Reference yield: 77.0%

: 107408-40-2
ethyl 9-iodo-3-oxo-2-(triphenylphosphoranylidene)-4(E)-nonenoate

: 72449-13-9
4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester

Guidance literature:: With n-butyllithium; In tetrahydrofuran; at -100 ℃; for 0.0333333h;

Reference yield:

: 107408-20-8
5,5-dimethoxy-1-iodo-1(Z)-pentene

: 72449-13-9
4-Cyclopentyl-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-butyric acid ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 91 percent / 50percent aq. HOAc / 14 h

2: NaH, EtOH / tetrahydrofuran / 0.75 h

3: 1.) t-BuLi / 1.) THF, pentane, -78 deg C, 40 min, 2.) THF, pentane, 55 deg C, 1 h

4: 61 percent / Ph₃P / ethanol / 1 h / Heating

5: 96 percent / H₂ / PtO₂ / ethyl acetate / 0.5 h / 760 Torr

With ethanol; hydrogen; tert.-butyl lithium; sodium hydride; acetic acid; triphenylphosphine; platinum(IV) oxide; In tetrahydrofuran; ethanol; ethyl acetate;