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Palladium을 이용한 colchicine 핵심 고리 구조체 합성연구
조근영 ( Geun-young Jo ),김건철 ( Guncheol Kim ) 충남대학교 기초과학연구소 2016 忠南科學硏究誌 Vol.33 No.1
A new concise route to the key intermediate for alkaloids, colchicine was developed using palladium catalysis reaction. The core skeleton of colchicine of 6, 7, 7-membered rings has been constructed using a coupling reaction of a Weinreb intermediate and a Grignard reagent made from a vinyl iodide derivative of heptanone. The intra-molecular Heck reaction of the precursor has been studied to obtain the core structure of colchicine. All the products obtained were separated and identified, this route suggests a new concise pathway to the core cyclic structure of the compound.