Tetrahedron letters

Effective deprotection of 2-(trimethylsilylethoxy) methylated alcohols (SEM ethers). Synthesis of thyrsiferyl-23 acetate

T Kan, M Hashimoto, M Yanagiya, H Shirahama

Index: Kan, Toshiyuki; Hashimoto, Masaru; Yanagiya, Mitsutoshi; Shirahama, Haruhisa Tetrahedron Letters, 1988 , vol. 29, # 42 p. 5417 - 5418

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Citation Number: 35

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... New conditions for effective cleavage of SEM ethers were developed (TBAF/HMPA in the presence of MS 4A) and usefulness of this reaction was demonstrated by the synthesis of thyrsiferyl-23 acetate. ... Removal of SEM ether often encountered sluggishness. Indeed, yields of ...

~95%

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