Rhodium-catalyzed Asymmetric Ring Opening Reaction of Oxabenzo-norbornadiene with Substituted Phenol

来源 :中国化学快报(英文版) | 被引量 : 0次 | 上传用户:yongzhujushi
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
We have developed an asymmetric ring opening reaction of oxabenzonorbornadienes with substituted phenolic nucleophiles. Under the reaction conditions ( [Rh(COD)Cl]2 (1 mol%),(S)-(R)-PPF-ptBu2 (2 mol%), THF, reflux), the reaction products were obtained with high yield and enantiomeric excesses ( up to 99% ee).
其他文献
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7
An efficient and environmental benign method is reported for the condensation of 3-methyl-1-phenyl-5-pyrazolone with carbonyl compounds in ionic liquids [Bmim]B
在自行设计、建立的MOCVD系统上,以Cu(hfac)2为反应前驱物在单晶硅上进行铜薄膜的化学气相沉积,并用AFM、SEM对铜核的成长机理进行了研究.结果表明,反应初期,单晶硅上铜核的
In this letter, we construct a kind of new Darboux transformation for the (1+1)-dimensional higher-order Broer-Kaup (HBK) system with the help of a gauge transf
Two coordination polymers, [ML2]n (M = Co (1), Ni (2), L = 3-aminobenzoic acid anion), were synthesized by hydrothermal reaction, and their crystal structures w
Electrospray ionization mass spectrometry(ESI-MS) was applied simultaneously in determining norditerpenoid alkaloids from the roots of Aconitum sinomantanum Nak
By using a non-perturbative quark propagator with the lowest-dimensional condensate contributions from the QCD vacuum, the non-perturbative effect to K-factor o
The surface enhanced Raman scattering (SERS)technique has been developed greatly since its first discovery nearly twenty-nine years ago. It is a very attractive
For dispersed ceria-zirconia-based solid solutions prepared via the polymerized complex method and annealed at 700℃, effects of bulk doping by Ca, Mn, Co, Bi o
A nanoporous MoO3/ZrO2 mixed oxide was hydrothermally synthesized by hydrolyzing zirconium isopropoxide in the presence of a cationic surfactant, cetyltrimethyl