Deprotection of dithioacetals using the tantalum (V) chloride catalyzed oxidation of iodide ion by hydrogen peroxide
…, A Harano, H Tsukiji, R Takizawa, T Uchiyama…
Index: Kirihara, Masayuki; Harano, Aiko; Tsukiji, Hiroyuki; Takizawa, Ryu; Uchiyama, Tomoyuki; Hatano, Akihiko Tetrahedron Letters, 2005 , vol. 46, # 37 p. 6377 - 6380
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Citation Number: 17
Abstract
Dithioacetals are widely used as a carbonyl protecting group in organic synthesis due to their stability under both acidic and basic conditions. 1 Moreover, a cyclic dithioacetal, such as 1,3-dithiane, is an important synthetic reagent as an acyl anion equivalent. 2 Although many procedures have been developed for regeneration of the carbonyl functionality, 1 and 3 most of them have serious disadvantage. The most frequently used deprotection procedures ...
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