3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide

Base Information

Chemical Name:3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide
CAS No.:111394-57-1
Molecular Formula:Br*C₃₃H₄₀O₃PSi
Molecular Weight:623.642
Hs Code.:

Synonyms:3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide

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Chemical Property of 3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide

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Technology Process of 3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide

There total 4 articles about 3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide 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: 69.0%

: 111394-56-0
3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyl bromide

: 603-35-0
triphenylphosphine

: 111394-57-1
3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide

Guidance literature:: In toluene; for 0.25h; Heating;
DOI:10.1139/v87-399

Reference yield:

: 1916-08-1
3-hydroxy-4,5-dimethoxybenzoic acid

: 111394-57-1
3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide

Guidance literature:: Multi-step reaction with 4 steps

1: 97 percent / (i-Pr)2NEt₂ / dimethylformamide / 1 h

2: 86 percent / LiAlH₄ / diethyl ether / 1 h / Ambient temperature

3: 88 percent / PBr₃ / CH₂Cl₂ / 0.25 h / -10 °C

4: 69 percent / toluene / 0.25 h / Heating

With lithium aluminium tetrahydride; (i-Pr)2NEt₂; phosphorus tribromide; In diethyl ether; dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1139/v87-399

Reference yield:

: 111394-55-9
3-<(tert-butyldimethylsilyl)oxy>-4,5-dimethoxybenzyl alcohol

: 111394-57-1
3-tert-butyldimethylsilyloxy-4,5-dimethoxybenzyltriphenylphosphonium bromide

Guidance literature:: Multi-step reaction with 2 steps

1: 88 percent / PBr₃ / CH₂Cl₂ / 0.25 h / -10 °C

2: 69 percent / toluene / 0.25 h / Heating

With phosphorus tribromide; In dichloromethane; toluene;
DOI:10.1139/v87-399