Phosphorus oxychloride → HCID 89654102, compound

Participants

Reaction Conditions

Reaction Steps

A round 50 mL round bottom flask equipped with stir bar, Vigreux column and nitrogen inlet was charged with 5,5-dimethyl-pyrazolidin-3-one.Hydrochloride (300 mg, 2.0 mmol) and POCl3 (4 mL). The mixture was heated at 90° C. for 3 h. LC-MS showed consumption of SM. The POCl3 was evaporated under reduced pressure and trace POCl3 was removed under high vacuum for 30 min. Amount obtained: 336 mg, 2.0 mmol, 100% yield. The material was used as in the next step. Step 4

Provenance & Evidence