科研之友
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摘要
An effective method for the protection of carboxylic acids with a triisopropylsiloxymethyl (TIPSOCH2) group is described. The reactions of various carboxylic acids with C12H25SCH2OTIPS in the presence of CuBr2 Et3N, and molecular sieves 4A afford the corresponding triisopropylsiloxymethyl esters in good yields.
- 出版日期2012-10
