An efficient synthesis of 4-isochromanones via Parham-type cyclization with Weinreb amide

来源 :2015年全国药物化学学术会议暨第五届中英药物化学学术会议 | 被引量 : 0次 | 上传用户:tp20201892
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  The synthesis of 4-isochromanones via Parham-type cyclization with Weinreb amide as the internal electrophilic group,t-BuLi as the lithium reagent was described.The reaction was very efficient and could be completed in only one minute.
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