1.1: (S)-α-hydroxybenzeneacetic acid / methanol / 0.5 h / |Inert atmosphere; |Sonication 1.2: 1 h / 20 °C / |Inert atmosphere 2.1: triethylamine / dichloromethane / 16.5 h / 0 - 20 °C / |Inert atmosphere 3.1: potassium carbonate; water / ethanol / 6 h / |Inert atmosphere; |Reflux 4.1: sodium hydride / acetonitrile / 0.5 h / 0 °C / |Inert atmosphere 4.2: 4 h / |Inert atmosphere; |Reflux View Scheme

1.1: (S)-α-hydroxybenzeneacetic acid / methanol / 0.5 h / |Inert atmosphere; |Sonication 1.2: 1 h / 20 °C / |Inert atmosphere 2.1: triethylamine / dichloromethane / 16.5 h / 0 - 20 °C / |Inert atmosphere 3.1: potassium carbonate; water / ethanol / 6 h / |Inert atmosphere; |Reflux 4.1: sodium hydride / acetonitrile / 0.5 h / 0 °C / |Inert atmosphere 4.2: 16 h / 20 °C / |Inert atmosphere 5.1: palladium 10 on activated carbon; hydrogen / methanol / 1 h / 20 °C / |Inert atmosphere 6.1: trifluoroacetic acid / dichloromethane / 8 h / 0 - 20 °C / |Inert atmosphere View Scheme

1.1: (S)-α-hydroxybenzeneacetic acid / methanol / 0.5 h / |Inert atmosphere; |Sonication 1.2: 1 h / 20 °C / |Inert atmosphere 2.1: triethylamine / dichloromethane / 16.5 h / 0 - 20 °C / |Inert atmosphere 3.1: potassium carbonate; water / ethanol / 6 h / |Inert atmosphere; |Reflux 4.1: sodium hydride / acetonitrile / 0.5 h / 0 °C / |Inert atmosphere 4.2: 4 h / |Inert atmosphere; |Reflux 5.1: sodium hydroxide / methanol / 0.5 h / 20 °C / |Inert atmosphere 5.2: 8 h / 20 °C / |Inert atmosphere View Scheme