bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D₂>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D₂>cyclohexa-2,5-dienylidene)methane

Base Information

• Chemical Name: bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D₂>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D₂>cyclohexa-2,5-dienylidene)methane
• CAS No.: 98166-91-7
• Molecular Formula: C₄₃H₆₂O₃
• Molecular Weight: 632.916

Synonyms:bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D₂>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D₂>cyclohexa-2,5-dienylidene)methane

Chemical Property of bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D₂>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D₂>cyclohexa-2,5-dienylidene)methane

Chemical Property:

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Technology Process of bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D₂>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D₂>cyclohexa-2,5-dienylidene)methane

There total 8 articles about bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D₂>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D₂>cyclohexa-2,5-dienylidene)methane 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: 65.0%

(2,6-di-tert-butyl-4-lithio-<3,5-D2>phenoxy)trimethylsilane (98166-87-1) + Diethyl carbonate (105-58-8,76619-83-5) → bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D2>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D2>cyclohexa-2,5-dienylidene)methane (98166-91-7)

Guidance literature:

In hexane;

Reference yield:

nitrobenzene-d5 (4165-60-0) → bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D2>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D2>cyclohexa-2,5-dienylidene)methane (98166-91-7)

Guidance literature:

Multi-step reaction with 7 steps

1: 41 g / Zn, HCl

2: 29 g / HCl, NaNO₂

3: 29.2 g / Br₂ / CCl₄ / -5 to 0 deg C

4: 7.8 g / conc. H₂SO₄ / 70 °C

5: 95 percent / BuLi / tetrahydrofuran; hexane

6: BuLi / hexane

7: 65 percent / hexane

With hydrogenchloride; n-butyllithium; sulfuric acid; bromine; zinc; sodium nitrite; In tetrahydrofuran; tetrachloromethane; hexane;

Reference yield:

benzene-d6 (1076-43-3) → bis(3,5-di-tert-butyl-4-hydroxy-<2,6-D2>phenyl)(3,5-di-tert-butyl-4-oxo-<2,6-D2>cyclohexa-2,5-dienylidene)methane (98166-91-7)

Guidance literature:

Multi-step reaction with 8 steps

1: 62 g / nitrating acid

2: 41 g / Zn, HCl

3: 29 g / HCl, NaNO₂

4: 29.2 g / Br₂ / CCl₄ / -5 to 0 deg C

5: 7.8 g / conc. H₂SO₄ / 70 °C

6: 95 percent / BuLi / tetrahydrofuran; hexane

7: BuLi / hexane

8: 65 percent / hexane

With hydrogenchloride; n-butyllithium; nitrating acid; sulfuric acid; bromine; zinc; sodium nitrite; In tetrahydrofuran; tetrachloromethane; hexane;

upstream raw materials:

(2,6-di-tert-butyl-4-lithio-<3,5-D₂>phenoxy)trimethylsilane

Diethyl carbonate

nitrobenzene-d5

benzene-d6

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