Tetrahedron Letters

Chemoselective sulfoxidation by H 2 O 2 or HNO 3 using a phosphate impregnated titania catalyst

SK Bharadwaj, SN Sharma, S Hussain…

文献索引：Bharadwaj, Saitanya K.; Sharma, Susanda N.; Hussain, Sahid; Chaudhuri, Mihir K. Tetrahedron Letters, 2009 , vol. 50, # 27 p. 3767 - 3771

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被引用次数: 11

摘要

A variety of organosulfur compounds have been selectively oxidized to the corresponding sulfoxides by either H2O2 or HNO3 using a newly developed solid acid catalyst composed of 84.5% of TiO2 and 15.5% of [Ti4H11 (PO4) 9]· nH2O (n= 1–4). The chemoselective oxidation of sulfides in the presence of vulnerable groups such as–CN,–CC–,–CHO, or–OH, as well as sulfoxidation of substrates like benzothiazole, glycosyl sulfide, and ...