(S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene

Base Information

Chemical Name:(S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene
CAS No.:1346758-69-7
Molecular Formula:C₃₀H₃₈
Molecular Weight:398.632
Hs Code.:

Synonyms:(S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene

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Chemical Property of (S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene

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Technology Process of (S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene

There total 4 articles about (S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene 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: 87.0%

: 1346758-66-4
1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene-2,5-diyl bis(trifluoromethanesulfonate)

: 123324-71-0
p-tert-butylphenylboronic acid

: 1346758-69-7
(S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene

Guidance literature:: With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate; In ethanol; water; toluene; for 1.5h; Inert atmosphere; Reflux;
DOI:10.1002/chem.201102073

Reference yield:

: 2758-63-6
(1S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptane-2,5-dione

: 1346758-69-7
(S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene

Guidance literature:: Multi-step reaction with 2 steps

1: potassium hexamethylsilazane / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

2: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / ethanol; water; toluene / 1.5 h / Inert atmosphere; Reflux

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium hexamethylsilazane; sodium carbonate; In tetrahydrofuran; ethanol; water; toluene; 2: Suzuki coupling;
DOI:10.1002/chem.201102073

Reference yield:

: 10293-02-4
(1S,2R)-1-methyl-2-hydroxy-7,7-dimethyl-bicyclo[2.2.1]hept-5-one

: 1346758-69-7
(S,S)-2,5-bis(4-tert-butylphenyl)-1,7,7-trimethylbicyclo[2.2.1]hepta-2,5-diene

Guidance literature:: Multi-step reaction with 3 steps

1: pyridinium chlorochromate / dichloromethane / 13 h / 20 °C / Inert atmosphere

2: potassium hexamethylsilazane / tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

3: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / ethanol; water; toluene / 1.5 h / Inert atmosphere; Reflux

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; potassium hexamethylsilazane; sodium carbonate; pyridinium chlorochromate; In tetrahydrofuran; ethanol; dichloromethane; water; toluene; 3: Suzuki coupling;
DOI:10.1002/chem.201102073