And the ynamide (33.5 mg, 0.124 mmol) was performed at 30 for 18 h. The
And also the ynamide (33.5 mg, 0.124 mmol) was performed at 30 for 18 h. The concentrated crude residue was purified by column chromatography (2:1 dichloromethane/hexanes) to provide 39.five mg…