The organic layer was evaporated to dryness under a stream of nitrogen gas at 35 ◦C (Techne DRI-Block type DB-3D, Cambridge, UK),reconstituted in 150 L of acetonitrile, and 30 L was injected into the HPLC system.
The organic layer was evaporated to dryness under a stream of nitrogen gas at 35 ◦C (Techne DRI-Block type DB-3D, Cambridge, UK),reconstituted in 150 L of acetonitrile, and 30 L was injected into the HPLC system.