Table 2. IL-catalyzed dehydrative etherification of diols and monohydric alcohols to ethers.

Reaction conditions: (A) alcohol (2 mmol), IL (0.2 mmol): ^aIL (0.4 mmol), 48 hours; ^bIL (1 mmol), 36 hours; ^cIL (1 mmol), 48 hours; ^dIL (1 mmol), 130°C, 48 hours; ^e24 hours. (B) alcohol (2 mmol), IL (1 mmol): ^falcohol (10 mmol), IL (5 mmol); ^g24 hours; ^h130°C, 24 hours; ⁱ48 hours. Yields were determined by ¹H NMR/isolated yields.