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2005
Deprotection
O 0345
A Chemoselective Deprotection of Trimethylsilyl Acetylenes Catalyzed by Silver
— The selective Ag(I)-catalyzed deprotection of 1-trimethylsilyl-1-alkynes is
29- 065 Salts.
demonstrated. AgOTf and AgNO3 are found to be the most effective catalysts. In most
cases, yields are higher and reaction are shorter when AgOTf is used. The method is
selective against a variety of functional groups, especially other silyl ethers. —
(ORSINI, A.; VITERISI, A.; BODLENNER, A.; WEIBEL, J.-M.; PALE*, P.;
Tetrahedron Lett. 46 (2005) 13, 2259-2262; Lab. Synth. React. Org., Inst. Le Bel,
Univ. Louis Pasteur, F-67000 Strasbourg, Fr.; Eng.) — Mais
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