common oxidization to carbonyl group in secondary propargyl alcohols was successfully developed to form 2-benzyl substituted isoquinoline N-oxides by a Rhodium-catalyzed C−H activation and annulation cascade, in which moderate to excellent yields (up to 92%) could be obtained under mild reaction conditions, along with good regioselectivity, broad generality and applicability.
通过
铑催化的 CH 活化和环化级联反应,成功地开发了一种β-羟基消除,而不是通常氧化成仲炔醇中的羰基,以形成 2-苄基取代的
异喹啉N-氧化物,其中中等至优异的产率(高达至 92%) 可以在温和的反应条件下获得,同时具有良好的区域选择性、广泛的通用性和适用性。