2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene

Base Information

Chemical Name:2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene
CAS No.:42154-06-3
Molecular Formula:C₃₂H₄₂O₂S
Molecular Weight:490.75
Hs Code.:

Synonyms:2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene

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Chemical Property of 2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene

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Technology Process of 2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene

There total 5 articles about 2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene 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: 91.4%

: 42154-07-4
2,5-bis(3,5-di-tert-butyl-4-hydroxyphenyl)thiophene

: 42154-06-3
2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene

Guidance literature:: With potassium hydroxide; potassium hexacyanoferrate(III); In benzene; for 5h; Ambient temperature;

Reference yield:

: 40084-31-9
2,6-Di-tert-butyl-4-iodophenol

: 42154-06-3
2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) n-BuLi / 1.) THF, hexane, -78 deg C, 10 min, 2.) -78 deg C, 10 min

2: 66.7 percent / Cl₂Pd(PPh₃)2, i-BuLi / tetrahydrofuran; diethyl ether; hexane / 1 h / Ambient temperature

3: 99.8 percent / aq. HCl / acetonitrile / 5 h / Ambient temperature

4: 91.4 percent / 0.1 M aq. KOH, K₃Fe(CN)6 / benzene / 5 h / Ambient temperature

With hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; potassium hydroxide; n-butyllithium; (2-methylpropyl)lithium; potassium hexacyanoferrate(III); In tetrahydrofuran; diethyl ether; hexane; acetonitrile; benzene;

Reference yield:

: 113101-90-9
2,6-di-tert-butyl-4-iodo-1-<(trimethylsilyl)oxy>benzene

: 42154-06-3
2,5-bis(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-2,5-dihydrothiophene

Guidance literature:: Multi-step reaction with 3 steps

1: 66.7 percent / Cl₂Pd(PPh₃)2, i-BuLi / tetrahydrofuran; diethyl ether; hexane / 1 h / Ambient temperature

2: 99.8 percent / aq. HCl / acetonitrile / 5 h / Ambient temperature

3: 91.4 percent / 0.1 M aq. KOH, K₃Fe(CN)6 / benzene / 5 h / Ambient temperature

With hydrogenchloride; bis-triphenylphosphine-palladium(II) chloride; potassium hydroxide; (2-methylpropyl)lithium; potassium hexacyanoferrate(III); In tetrahydrofuran; diethyl ether; hexane; acetonitrile; benzene;