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Table 1 Microwave-assisted acetylation of secondary amines and study of selectivity of primary vs secondary

From: New activation methods used in green chemistry for the synthesis of high added value molecules

Amine (2 mmol) 2 W, 90 °C, 1 h 10 W, 130 °C, 1 h
  Starting amine Monoacetylated product Starting amine Monoacetylated product
31 69 0 100
42 44 7 73
93 7 4 94a
  1. a10 W, 130 °C, 2 h