Development of a process for the preparation of chloromethyl chlorosulfate
A new and efficient synthesis of chloromethyl chlorosulfate (CMCS) from chloroiodomethane and chlorosulfonic acid is described. This process leverages a chlorosulfonic acid-mediated iodide oxidation to drive the equilibrating displacement process to full conversion. The resulting iodine byproduct is further oxidized and removed as iodate, to prevent iodide-induced decomposition of CMCS. This new process provides an efficient and scalable protocol for the preparation of CMCS in 92% solution yield and high purity (>99 GC area %).
Zheng, Bin,Sugiyama, Masano,Eastgate, Martin D.,Fritz, Alan,Murugesan, Saravanababu,Conlon, David A.
p. 1827 - 1831
(2013/01/15)
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