4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate

Base Information

Chemical Name:4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate
CAS No.:547652-91-5
Molecular Formula:C₂₅H₂₉BrO₃S
Molecular Weight:489.473
Hs Code.:

Synonyms:4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate

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Technology Process of 4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate

There total 4 articles about 4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate 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%

: 513-81-5
2,3-dimethyl-buta-1,3-diene

: 547652-82-4
toluene-4-sulfonic acid 6-(2-bromo-phenyl)-hex-5-ynyl ester

: 547652-91-5
4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate

Guidance literature:: With zinc dibromide; zinc; cobalt(II) bromide-[1,2-bis(diphenylphosphino)ethane]; In dichloromethane; at 20 ℃;
DOI:10.1055/s-2003-36795

Reference yield:

: 928-90-5
5-hexyl-1-ol

: 547652-91-5
4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 3 steps

1: Et₃N / Pd(PPh₃)2Cl₂; CuI / toluene / 20 °C

2: Et₃N / CH₂Cl₂ / 20 °C

3: 95 percent / Zn; ZnBr₂ / CoBr₂(dppe) / CH₂Cl₂ / 20 °C

With triethylamine; zinc dibromide; zinc; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; cobalt(II) bromide-[1,2-bis(diphenylphosphino)ethane]; In dichloromethane; toluene; 1: Sonogashira coupling reaction / 3: Diels-Alder reaction;
DOI:10.1055/s-2003-36795

Reference yield:

: 583-55-1
1-Bromo-2-iodobenzene

: 547652-91-5
4-[2-(2-bromophenyl)-4,5-dimethyl-1,4-cyclohexadien-1-yl]butyl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 3 steps

1: Et₃N / Pd(PPh₃)2Cl₂; CuI / toluene / 20 °C

2: Et₃N / CH₂Cl₂ / 20 °C

3: 95 percent / Zn; ZnBr₂ / CoBr₂(dppe) / CH₂Cl₂ / 20 °C

With triethylamine; zinc dibromide; zinc; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; cobalt(II) bromide-[1,2-bis(diphenylphosphino)ethane]; In dichloromethane; toluene; 1: Sonogashira coupling reaction / 3: Diels-Alder reaction;
DOI:10.1055/s-2003-36795