Efficient and selective N-alkylation of carbamates in the presence of Cs 2 CO 3 and TBAI
RN Salvatore, SI Shin, VL Flanders, KW Jung
Index: Salvatore, Ralph N.; Shin, Seung Il; Flanders, Vincent L.; Jung, Kyung Woon Tetrahedron Letters, 2001 , vol. 42, # 10 p. 1799 - 1801
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Citation Number: 20
Abstract
Mild and selective N-alkylation of carbamates was carried out in the presence of cesium carbonate, tetrabutylammonium iodide (TBAI), and a halide. This protocol was highly selective and efficient, offering aliphatic and aromatic N-alkyl carbamates exclusively in high yields.
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