4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic acid ethyl ester

Base Information

Chemical Name:4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic acid ethyl ester
CAS No.:116831-03-9
Molecular Formula:C₁₉H₂₂O₅S
Molecular Weight:362.447
Hs Code.:

Synonyms:4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic acid ethyl ester

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Chemical Property of 4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic acid ethyl ester

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Technology Process of 4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic acid ethyl ester

There total 6 articles about 4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic 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: 43.0%

: 51965-90-3
ethyl 1-methyl-2-oxocyclopent-3-enecarboxylate

: 116830-92-3
2-(chloromethyl)-3-(phenylsulfonyl)-1-propene

: 116831-03-9
4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic acid ethyl ester

Guidance literature:: With potassium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; 1,2-bis-(diphenylphosphino)ethane; tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; In dichloromethane; water; for 48h; Ambient temperature;
DOI:10.1016/S0040-4039(00)80053-2

Reference yield: 22.0%

: 51965-90-3
ethyl 1-methyl-2-oxocyclopent-3-enecarboxylate

: 117036-93-8
ethyl 2-(benzenesulfonylmethyl)-2-propenyl carbonate

: 116831-03-9
4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic acid ethyl ester

Guidance literature:: With tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; In tetrahydrofuran;

Reference yield:

: 49639-05-6
1-(phenylsulfonyl)-2-methyl-2-propene

: 116831-03-9
4-Benzenesulfonyl-2-methyl-5-methylene-1-oxo-octahydro-pentalene-2-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 58 percent / sulfuryl cloride / CH₂Cl₂ / Heating; 1.) 15 min; 2.) reflux 30 min

2: 100 percent / formic acid / 48 h / Heating

3: 63 percent / 1N HCl / methanol / Ambient temperature

4: 87 percent / pyridine / diethyl ether / 24 h / 0 - 10 °C

5: 22 percent / Pd₂(DBA)3 (CHCl₃) / tetrahydrofuran

With pyridine; hydrogenchloride; tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; formic acid; sulfuryl dichloride; In tetrahydrofuran; methanol; diethyl ether; dichloromethane;