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A Convenient and Efficient Synthesis of a key intermediate of phosphonosulfonates(BPH-652),1-(3-Iodo
[会议论文] 作者：Ming Liu,Ziling Zhu,Xin Xu,Qing Guan,Defeng Xu,
来源：全国药物化学学术会议暨第四届中英药物化学学术会议 年份：2013
1-(3-iodopropyl)-3-phenoxy benzene 5 was widely used in biological and pharmaceutical fields 1-2.Its a key intermediate of the preparation phosphonsulfonates such as 1 (BPH-652),developed by Bristol-M...
Ruthenium catalyzed amination cyclization of 1,2,4-butanetriol with primary amines:A borrowing hydro
[期刊论文] 作者：Qing-Song Xu,Chen Li,Yong Xu,Defeng Xu,Mei-Hua Shen,Hua-Dong Xu,
来源：中国化学快报（英文版） 年份：2020
A ruthenium based catalytic system ([Ru(p-cymene)Cl2]2/XantPhos with substoichiometric Cs2CO3) has been established to effectively achieve the first direct amin...
Copper catalyzed borylative cyclization of 3-arylallyl carbamoyl chloride with B2pin2:stereoselectiv
[期刊论文] 作者：Mei-Hua Shen,Ting-Biao Wan,Xiu-Rong Huang,Yan Li,Dan-Hua Qian,Hua-Dong Xu,Defeng Xu,
来源：中国化学快报（英文版） 年份：2021
Borylative cyclization of E-3-arylallyl carbamoyl chlorides is achieved through copper catalyzed intramolecular carboboration with B2pin2. 2-Aryl-3-boryl-γ-lactams are formed with exclusive cis-diastereoselectivity. CuBr-Dppp combination g......
[会议论文] 作者：Shuwen Zhou,Rui Li,Xingqun Yang,Shouxiu Ma,Xiaoai Ge,Defeng Xu,Zhigang Feng,
来源：2016年中国药物制剂大会、中国药学会药剂专业委员会2016年学术年会、中国化学制药工业协会固体制剂专业委员会2016年 年份：2016
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[期刊论文] 作者：Mei-Hua Shen,Chen Li,Qing-Song Xu,Bin Guo,Rui Wang,Xiaoqian Liu,Hua-Dong Xu,Defeng Xu,
来源：中国化学快报（英文版） 年份：2021
When treated with an alkoxide base like t-BuOK in aprotic solvent, N-diphenylmethyl imino oxindoles, made conveniently through condensation of corresponding isatins with N-diphenylmethyl amine, are deprotonated to form azaallyl anions. Ally......
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