1: pyridine / 1.) -30 -> 0 deg C, 2.) 6 h, 0 deg C 2: toluene / 48 h / Ambient temperature 3: NaOCH3/CH3OH / 24 h / Ambient temperature 4: H2 / 10percent Pd-C / methanol / 16 h / 4500.4 Torr / Ambient temperature View Scheme