EtOAc

To get rid of traces of acid, the residue was taken up in Ethyl acetate (EtOAc), subsequently washed with saturated sodium bicarbonate and brine, dried (magnesium sulfate), filtered and concentrated under reduced pressure.

PLoS ONE Alerts: New Articles Sandeep Ravindran et al. 2009

The water layer was acidified with 1N HCl, and extracted twice with EtOAc.

PLoS ONE Alerts: New Articles Sandeep Ravindran et al. 2009

Most of the methanol was evaporated, and EtOAc was added to the residue.

PLoS ONE Alerts: New Articles Sandeep Ravindran et al. 2009

Combined EtOAc layers were washed with brine, dried (magnesium sulfate), filtered and concentrated.

PLoS ONE Alerts: New Articles Sandeep Ravindran et al. 2009

The residue was taken up in EtOAc and washed with saturated sodium bicarbonate and brine, dried (magnesium sulfate), filtered and concentrated under reduced pressure.

PLoS ONE Alerts: New Articles Sandeep Ravindran et al. 2009

Hexanes (Hex), ethyl acetate (EtOAc), and trifluoroacetic acid

PLoS ONE Alerts: New Articles Yuan-Ping Pang et al. 2009

After stirring for 7 hours at room temperature, the reaction mixture was diluted with water (2 mL) and extracted with EtOAc (2×50 mL).

PLoS ONE Alerts: New Articles Yuan-Ping Pang et al. 2009

(Hex: EtOAc/3: 2) to give tert-butyl 11-bromoundecyl (pyridin-4-yl) carbamate as oil (153 mg, 72%).

PLoS ONE Alerts: New Articles Yuan-Ping Pang et al. 2009