Fig. 2: Scope of azulenes and diazoesters in ring expansion reactiona. | Nature Communications

Fig. 2: Scope of azulenes and diazoesters in ring expansion reactiona.

From: Selective ring expansion and C−H functionalization of azulenes

Fig. 2

a1 (0.2 mmol, 1.0 equiv), 2 (1.0 equiv), and Cu(hfacac)2 (2.0 mol %) were used in DCE (4.0 mL) at room temperature for 30 min under a N2 atmosphere. bDiazo compound (1.5 equiv) was used. cDiastereomeric ratio. dCu(hfacac)2 (4.0 mol %) was used. eDioxane was used as a solvent.

Back to article page