1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime

Base Information

Chemical Name:1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime
CAS No.:271252-25-6
Molecular Formula:C₂₃H₃₀F₃NO₅SSi
Molecular Weight:517.642
Hs Code.:

Synonyms:1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime

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Chemical Property of 1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime

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Technology Process of 1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime

There total 5 articles about 1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime 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: 91.0%

: 98-59-9
p-toluenesulfonyl chloride

: 271252-31-4
1-(4-(2-((tert-butyldimethylsilyl)oxy)ethoxy)phenyl)-2,2,2-trifluoroethan-1-one oxime

: 271252-25-6
1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime

Guidance literature:: With pyridine; at 20 ℃; for 12h;
DOI:10.3987/com-99-s114

Reference yield:

: 106-41-2
4-bromo-phenol

: 271252-25-6
1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime

Guidance literature:: Multi-step reaction with 4 steps

1.1: 86 percent / NaH; 18-crown-6 ether / dimethylformamide; hexane / 12 h / 20 °C

2.1: t-Buli / diethyl ether; pentane / 4 h / -78 °C

2.2: 89 percent / diethyl ether / 4.5 h / -78 °C

3.1: 96 percent / hydroxylamine hydrochloride; pyridine / ethanol / 3 h / 60 °C

4.1: 91 percent / pyridine / 12 h / 20 °C

With pyridine; 18-crown-6 ether; hydroxylamine hydrochloride; tert.-butyl lithium; sodium hydride; In diethyl ether; ethanol; hexane; N,N-dimethyl-formamide; pentane; 1.1: Alkylation / 2.1: Metallation / 2.2: Acylation / 3.1: Condensation / 4.1: Tosylation;
DOI:10.3987/com-99-s114

Reference yield:

: 86864-60-0
2-(tert-butyldimethylsilyloxy)ethyl bromide

: 271252-25-6
1-[4-(2-tert-butyldimethylsiloxyethoxy)phenyl]-2,2,2-trifluoroethanone O-(p-tolylsulfonyl)oxime

Guidance literature:: Multi-step reaction with 4 steps

1.1: 86 percent / NaH; 18-crown-6 ether / dimethylformamide; hexane / 12 h / 20 °C

2.1: t-Buli / diethyl ether; pentane / 4 h / -78 °C

2.2: 89 percent / diethyl ether / 4.5 h / -78 °C

3.1: 96 percent / hydroxylamine hydrochloride; pyridine / ethanol / 3 h / 60 °C

4.1: 91 percent / pyridine / 12 h / 20 °C

With pyridine; 18-crown-6 ether; hydroxylamine hydrochloride; tert.-butyl lithium; sodium hydride; In diethyl ether; ethanol; hexane; N,N-dimethyl-formamide; pentane; 1.1: Alkylation / 2.1: Metallation / 2.2: Acylation / 3.1: Condensation / 4.1: Tosylation;
DOI:10.3987/com-99-s114