Phenyl vinyl sulfone → 3-(Benzenesulfonyl)-2-(4-bromo-2-pyridyl)-7-methyl-1,7-diazaspiro[4.4]nonan-6-one

Participants

Reaction Steps

A mixture of 3-[(E)-(4-bromo-2-pyridyl)methyleneamino]-1-methyl-pyrrolidin-2-one (which may be prepared as described in Description 1) (564.3 mg, 2 mmol) and phenyl vinyl sulfone (339.8 mg, 2.02 mmol) in THF (10 mL) was treated with silver acetate (333.99 mg, 2 mmol). The mixture was stirred at room temp for 2 hours, filtered through Celite and concentrated to give the title compound (D2) as a brown gum;

Provenance & Evidence