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2005
Protection
O 0345
28- 053
Protection
Studies on Novel Synthetic Methodologies. Part 39. Simple, Mild and Efficient
Thioacetalization and Transthioacetalization of Carbonyl Compounds and
Deprotection of Thioacetals: Unique Role of Thiols in the Selectivity of Thioacetalization. — Sodium hydrogensulfate on silica gel is reported as an efficient catalyst
for all title processes. Interestingly, a dependence of the thioacetalization is observed
is allowing potential selective protection. — (DAS*, B.; RAMU, R.; REDDY, M. R.;
MAHENDER, G.; Synthesis 2005, 2, 250-254; Org. Chem. Div., Indian Inst. Chem.
Technol., Hyderabad 500 007, India; Eng.) — Mais
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