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Merck
모든 사진(1)

주요 문서

901466

Sigma-Aldrich

Mes-Umemoto reagent

≥95%

동의어(들):

Dimesityl(trifluoromethyl)sulfonium trifluoromethanesulfonate, MacMillan trifluoromethylation reagent, dMesSCF3 reagent

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About This Item

실험식(Hill 표기법):
C20H22F6O3S2
CAS Number:
Molecular Weight:
488.51
UNSPSC 코드:
12161600
NACRES:
NA.22

Quality Level

분석

≥95%

형태

powder

반응 적합성

reagent type: catalyst
reaction type: Photocatalysis

작용기

fluoro
thioether
triflate

저장 온도

−20°C

애플리케이션

Under a dual catalytic copper/photoredox manifold, the Mes-Umemoto reagent has been demonstrated by the MacMillan lab to be an excellent reagent for the trifluoromethylation of alkyl halides and aryl halides to yield alkyl-CF3 and aryl-CF3 in high yields. In both cases, these reactions exhibit wide substrate scope with good functional group tolerance. More specifically, a variety of 5-membered and 6-membered heteroaryl halides can be readily converted to the corresponding trifluoromethylheteroarenes under mild conditions. To be use in conjunction with supersilanol (902489) and Ir photocatalyst (902217 or 902225).

Product can be used with our line of photoreactors: Including Penn PhD (Z744035) & SynLED 2.0 (Z744080)

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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문서 라이브러리 방문

Shi-Meng Wang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 22(19), 6542-6546 (2016-03-08)
A Pd-catalyzed Suzuki cross-coupling of arylboronic acids with Yagupolskii-Umemoto reagents was explored. In contrary to trifluoromethylations, the Pd-catalyzed reaction of R-B(OH)2 and [Ar2 SCF3 ](+) [OTf](-) provided the arylation products (R-Ar) in good to high yields. The reaction confirms that
Chip Le et al.
Science (New York, N.Y.), 360(6392), 1010-1014 (2018-06-02)
Transition metal-catalyzed arene functionalization has been widely used for molecular synthesis over the past century. In this arena, copper catalysis has long been considered a privileged platform due to the propensity of high-valent copper to undergo reductive elimination with a

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