2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester

Base Information

Chemical Name:2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester
CAS No.:199529-71-0
Molecular Formula:C₃₀H₄₀O₂
Molecular Weight:432.646
Hs Code.:

Synonyms:2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester

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Chemical Property of 2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester

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Technology Process of 2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester

There total 7 articles about 2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic 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: 76.0%

: 67-56-1
methanol

: 201230-82-2
carbon monoxide

: 199529-70-9
6-{2-[(E)-2-(2-Bromo-cyclopent-1-enyl)-vinyl]-cyclohex-1-enyl}-1,1,4,4,7-pentamethyl-1,2,3,4-tetrahydro-naphthalene

: 199529-71-0
2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester

Guidance literature:: With triethylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In N,N-dimethyl-formamide; at 85 ℃;
DOI:10.1016/S0040-4039(97)10246-5

Reference yield:

: 6223-78-5
2,5-dichloro-2,5-dimethyl hexane

: 199529-71-0
2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 85 percent / aluminum chloride

2: 1.) t-BuLi, ZnCl₂ / 2.) Pd(PPh₃)4 / 1.) -78 deg C to RT

3: 100 percent / LiAlH₄

4: 98 percent / methanol

5: 94 percent / t-BuOK / CH₂Cl₂

6: 76 percent / Et₃N / Pd(PPh₃)4 / dimethylformamide / 85 °C

With lithium aluminium tetrahydride; aluminium trichloride; potassium tert-butylate; tert.-butyl lithium; triethylamine; zinc(II) chloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(97)10246-5

Reference yield:

: 95-46-5
2-methylphenyl bromide

: 199529-71-0
2-{(E)-2-[2-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalen-2-yl)-cyclohex-1-enyl]-vinyl}-cyclopent-1-enecarboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 85 percent / aluminum chloride

2: 1.) t-BuLi, ZnCl₂ / 2.) Pd(PPh₃)4 / 1.) -78 deg C to RT

3: 100 percent / LiAlH₄

4: 98 percent / methanol

5: 94 percent / t-BuOK / CH₂Cl₂

6: 76 percent / Et₃N / Pd(PPh₃)4 / dimethylformamide / 85 °C

With lithium aluminium tetrahydride; aluminium trichloride; potassium tert-butylate; tert.-butyl lithium; triethylamine; zinc(II) chloride; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4039(97)10246-5