1.1: citric acid / dichloromethane 1.2: 37 °C / pH 7.4 / |Inert atmosphere 2.1: water / |Inert atmosphere View Scheme

1: With citric acid in dichloromethane 2: in aq. phosphate buffer; hexadeuterioacetone; water-d2 T=37°C; pH=7.4; Inert atmosphere;