1: potassium carbonate / water / Sonication 2: Amano Lipase PS from Burkholderia cepacia immobilized on celite / acetone / Inert atmosphere 3: ammonium hydroxide / methanol; water / 22 h / Inert atmosphere 4: hydrogenchloride; water 5: potassium hydrogencarbonate / water; acetone / 48 h View Scheme

1: ammonium hydroxide / methanol; water / 22 h / Inert atmosphere 2: hydrogenchloride; water 3: potassium hydrogencarbonate / water; acetone / 48 h View Scheme

1.1: dichloromethane / 0 - 20 °C / Inert atmosphere 1.2: 36 h 2.1: potassium carbonate / water / Sonication 3.1: Amano Lipase PS from Burkholderia cepacia immobilized on celite / acetone / Inert atmosphere 4.1: ammonium hydroxide / methanol; water / 22 h / Inert atmosphere 5.1: hydrogenchloride; water 6.1: potassium hydrogencarbonate / water; acetone / 48 h View Scheme

potassium hydrogencarbonate in water; acetone 48 h;