Ammonia → HCID 59639592, compound

Participants

Reaction Steps

To a soln of trimethylaluminum (3.3 mL, 6.6 mmol) in dichloromethane was bubbled NH3 gas for 30 min, the product of Example 190 (500 mg, 1.1 mmol) was then added. The resulting mixture was stirred for 16 h. The mixture was diluted with EtOAc and washed with H2O to give the crude material. Purification by flash chromatography, eluting with EtOAc/triethylamine (100/2, v/v), gave the desired product (263 mg, 54%). LC-MS: 440.0 (MH+, m/z), 1.75 (Rt, min).

Provenance & Evidence