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2-Aryl-1-N-carboalkoxyenamines (enamides) are selectively reduced to the corresponding 2-arylethylamine carbamates by Et 3 SiH in the presence of CF 3 COOH in excellent yields. The reduction proceeds by addition of hydride at C-1 and the rate-limiting step involves proton transfer from CF 3 COOH. This reduction is useful for preparation of isotopically labeled arylethylamines.
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