4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl ester

Base Information

Chemical Name:4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl ester
CAS No.:851762-43-1
Molecular Formula:C₂₂H₂₄O₆S
Molecular Weight:416.495
Hs Code.:

Synonyms:4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl ester

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Chemical Property of 4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl ester

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Technology Process of 4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl ester

There total 3 articles about 4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl 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: 74.0%

: 851762-35-1
2-(2-ethyl-allyl)-4-phenyl-2-(toluene-4-sulfonyl)-pent-4-enoic acid methyl ester

: 851762-43-1
4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl ester

Guidance literature:: 2-(2-ethyl-allyl)-4-phenyl-2-(toluene-4-sulfonyl)-pent-4-enoic acid methyl ester; With ozone; In methanol; dichloromethane; at 0 ℃;

With triphenylphosphine; In methanol; dichloromethane; at 0 - 20 ℃; for 19h;
DOI:10.1016/j.tetlet.2005.02.105

Reference yield:

: 851762-22-6
methyl 4-methylene-2-(toluene-4-sulfonyl)hexanoate

: 851762-43-1
4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: 96 percent / NaH; Pd(PPh₃)4 / tetrahydrofuran / 20 °C

2.1: O₃ / CH₂Cl₂; methanol / 0 °C

2.2: 74 percent / PPh₃ / CH₂Cl₂; methanol / 19 h / 0 - 20 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium hydride; ozone; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1016/j.tetlet.2005.02.105

Reference yield:

: 50397-64-3
methyl 2-(p-tolylsulfonyl)acetate

: 851762-43-1
4-oxo-2-(2-oxo-2-phenyl-ethyl)-2-(toluene-4-sulfonyl)-hexanoic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 72 percent / DBU; n-Bu₄NI / dimethylformamide / 18 h / 20 °C

2.1: 96 percent / NaH; Pd(PPh₃)4 / tetrahydrofuran / 20 °C

3.1: O₃ / CH₂Cl₂; methanol / 0 °C

3.2: 74 percent / PPh₃ / CH₂Cl₂; methanol / 19 h / 0 - 20 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; tetra-(n-butyl)ammonium iodide; sodium hydride; ozone; 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.tetlet.2005.02.105