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일반 설명
Cesium carbonate is a powerful inorganic base widely used in organic synthesis. It is a potential chemoselective catalyst for the reduction of aldehydes and ketones to alcohols. It is employed as base for the Heck coupling reaction of 4-trifluoromethyl-1-chlorobenzene and aryl chlorides.
애플리케이션
Cesium carbonate can be used as a base in C-C and C-N cross-coupling reactions such as Suzuki−Miyaura, Heck, and Buchwald-Hartwig amination reactions. It is also used as a base in alkylation reactions.
Promotes the efficient O-alkylation of alcohols to form mixed alkyl carbonates.
법적 정보
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신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Eye Dam. 1 - Repr. 2 - STOT RE 2 Oral
표적 기관
Kidney,Adrenal gland,Testes
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
dust mask type N95 (US), Eyeshields, Gloves
이미 열람한 고객
Pd-SAPO-31, an efficient, heterogeneous catalyst for Heck reactions of aryl chlorides.
Srivastava R, et al.
Tetrahedron Letters, 44(18), 3649-3651 (2003)
Single and double Suzuki- Miyaura couplings with symmetric dihalobenzenes
Sinclair DJ and Sherburn MS
The Journal of Organic Chemistry, 70(9), 3730-3733 (2005)
Cesium carbonate (CS2CO3)
Lehmann F
Synlett, 2004(13), 2447-2448 (2004)
Mengdi Zhao et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 20(30), 9259-9262 (2014-07-06)
Cs2CO3 has been found to be an efficient and chemoselective catalyst for reduction of aldehydes and ketones to alcohols with one equivalent of Ph2SiH2 as the reductant under solvent-free conditions. Most of the aldehydes employed can be effectively hydrosilated quantitatively
A Zapf et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 7(13), 2908-2915 (2001-08-07)
A detailed investigation into the influence of phosphines, additives, bases and solvents on the Heck coupling reaction of 4-trifluoromethyl-1-chlorobenzene (2) is presented. It is shown that a number of catalyst systems exist for efficient cross coupling of electron-deficient aryl chlorides
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