Fig. 4

Cyanohydrin formation under the optimized conditions. Reactions were run using 5 (0.15 mmol), 2 or trimethylsilylcyanide (0.30 mmol), and 4a (0.015 mmol) in CH2Cl2 (0.30 ml)

Cyanohydrin formation under the optimized conditions. Reactions were run using 5 (0.15 mmol), 2 or trimethylsilylcyanide (0.30 mmol), and 4a (0.015 mmol) in CH2Cl2 (0.30 ml)