Methanesulfonyl chloride (mesyl chloride) is an organosulfur compound with the formula CH3SO2Cl. Using the organic pseudoelement symbol Ms for the methanesulfonyl (or mesyl) group CH3SO2 –, it is frequently abbreviated MsCl in reaction schemes or equations.

甲磺酰氯，又名甲烷磺酰氯，是一种有机化合物，化学式为CH3ClO2S，有剧毒，主要用作分析试剂，是生产甲磺酸的原料。

Related to mesylate is the mesyl (Ms) or methanesulfonyl (CH 3 SO 2) functional group. The shortened term itself was coined by Helferich et al. in 1938 similarly to tosyl adopted earlier. [4] Methanesulfonyl chloride is often referred to as mesyl chloride.

主页 CAS CAS 124 CAS 124-63-0 主页 产品 有机原料 烃类化合物 甲基磺酰氯 (MSCL)

Aldrich-471259; Methanesulfonyl chloride >=99.7%; CAS No.: 124-63-0; Synonyms: Mesyl chloride; Linear Formula: CH3SO2Cl; Empirical Formula: CH3ClO2S; find related products, papers, technical documents, MSDS & more at Sigma-Aldrich.

Methanesulfonyl chloride | CH3ClO2S | CID 31297 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological ...

中文名:甲基磺酰氯,英文名:Methanesulfonyl chloride,CAS:124-63-0,化学式:CH3ClO2S,分子量:114.55,密度:1.48 g/mL at 25 °C (lit.),熔点:-33°C,沸点 ...

Other names: Chloro methyl sulfone; Mesyl chloride; Methanesulfonic acid chloride; Methanesulfuryl chloride; Methanesulphonyl chloride; Methyl sulfochloride; Methylsulfonyl chloride; CH3SO2Cl; NSC 15039

The (3- hydroxy group is normally activated as a tosyl or mesyl group, which is ideal for an intramolecular SN2 displacement. The cyclization has been developed in both one-pot and stepwise fashion [4—9].

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