1: With toluene-4-sulfonic acid in dichloromethane T=20°C; 2: With sodium hydroxide; water in dichloromethane pH=8 - 9; Product distribution / selectivity;

1: With toluene-4-sulfonic acid in dichloromethane T=20°C; 2: With sodium hydroxide; water in dichloromethane pH=8 - 9; Product distribution / selectivity;