THE ASYMMETRIC ALKYLATIONS OF CHIRAL TRANSITION METAL COMPLEXES OF(+)—CAMPHOR IMINE

来源 :Chinese Chemical Letters | 被引量 : 0次 | 上传用户:lzbboyf
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
The asymmetric alkylations of chiral transition metal complexes derived from(+)-camphor and 2-aminomethyl-6-methylpyridine were examined under mildconditions.The formation of the complexes 2 is conductive to the enhancement of di-astereoselectivity in the
其他文献
相对于本科以上院校人才的培养方式重在文化知识的培养,高职院校的人才培养更侧重于技能的培养,我国的高职院校也是我国培养技能型人才的重要场所。相对来说,高职院校的学生
Aromatic nitro compounds are reduced to correspouding amiues inethanol by borohydride exchauge resin(BER)in the presence of transition metalPd,Co,Ni,Cu)compound
Terbium can form a ternary complex having a ratio of 1:1:1 with acetylacetone and EDTA. By adding cetyl pyridinium chloride into the above system, a marked enha
对单片机技术进行信息化实训教学改革研究与实践。通过运用信息化技术和任务驱动的授课方式,把单片机软件与硬件与面包板相融合,提高学生的学习主动性,激发他们的学习热情。从而
Based on the intersection point rule of the retention value and normal boiling point of homologues in reversed-phase high-performance liquid chromatography(RPLC
新世纪以来,新一届领导集体更加关注“三农”问题,称其为“全党工作的重中之重”。贫困山区农业基础比较差,需要不断加强基础设施建设;农村发展严重落后,需要尽快采取办法进行解决
On-line ion-exchange separation and preconcentration were combined with flow-injection hydride generation atomic absorption spectrometry (HGAAS) to determine ultr
Under the condition of solid-liquid phase transfer catalysis,olefins were obtained by the reaction of p-nitrobenzyldibutyltelluroniumbromide with aromatic aldeh
The structures of Nylon-1010 with different draw ratios have been investigated by using Small-AngleX-ray Scattering(SAXS).It is shown that by using a simple geo
Alkylated propargyl bromides react with phosphiaes inacidic tetrahydrofuran solution to give propargylic phosphoniumsalts in good yield.