4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol

Base Information

• Chemical Name: 4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol
• CAS No.: 156578-25-5
• Molecular Formula: C₇₁H₈₈O₄Si₄
• Molecular Weight: 1117.82

Synonyms:4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol

Chemical Property of 4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol

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Technology Process of 4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol

There total 5 articles about 4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol 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: 67.0%

tert-butylchlorodiphenylsilane (58479-61-1) + 4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-2,2'-methylenediphenol (156578-30-2) → 4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol (156578-25-5)

Guidance literature:

With 1H-imidazole; In N,N-dimethyl-formamide; at 60 ℃; for 10h;

DOI:10.1016/S0040-4039(00)60747-5

Reference yield:

bis-(4-hydroxyphenyl)methane (620-92-8) → 4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol (156578-25-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 45 percent / imidazole / dimethylformamide / 2 h / Ambient temperature

2: 1.) EtMgBr / 1.) Et₂O, 15 min, 2.) C₆H₆, reflux, 20 h

3: 22 percent / imidazole / dimethylformamide / 10 h / 60 °C

With 1H-imidazole; ethylmagnesium bromide; In N,N-dimethyl-formamide;

DOI:10.1016/S0040-4020(97)00903-4

Reference yield:

tert-butyldimethylsilyl chloride (18162-48-6) → 4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-1,1'-bis(tert-butyldiphenylbenzyl)-2,2'-methylenediphenol (156578-25-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 45 percent / imidazole / dimethylformamide / 2 h / Ambient temperature

2: 1.) EtMgBr / 1.) Et₂O, 15 min, 2.) C₆H₆, reflux, 20 h

3: 22 percent / imidazole / dimethylformamide / 10 h / 60 °C

With 1H-imidazole; ethylmagnesium bromide; In N,N-dimethyl-formamide;

DOI:10.1016/S0040-4020(97)00903-4

upstream raw materials:

tert-butylchlorodiphenylsilane

4,4'-bis(4-t-butyldimethylsilyloxybenzyl)-2,2'-methylenediphenol

bis-(4-hydroxyphenyl)methane

tert-butyldimethylsilyl chloride

Downstream raw materials:

4,4'-bis(4-hydroxybenzyl)-1,1'-bis-t-butyldiphenylsilyl-2,2'-methylenediphenol

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