Cyclopentadienyl??Free Rare??Earth Metal Amides [{(CH2SiMe2){(2, 6??iPr2C6H3) N} 2} Ln {N (SiMe3) 2}(THF)] as Highly Efficient Versatile Catalysts for C–C and C–N …

Y Wu, S Wang, L Zhang, G Yang, X Zhu…

Index: Wu, Yunjun; Wang, Shaowu; Zhang, Lijun; Yang, Gaosheng; Zhu, Xiancui; Zhou, Zhihong; Zhu, Hong; Wu, Shihong European Journal of Organic Chemistry, 2010 , # 2 p. 326 - 332

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Citation Number: 15

Abstract

Abstract Efficient methods have been developed for the direct synthesis of amides from aldehydes and a straightforward route to propiolamidines using cyclopentadienyl-free rare- earth metal amides [{(CH 2 SiMe 2){(2, 6-iPr 2 C 6 H 3) N} 2} Ln {N (SiMe 3) 2}(THF)][Ln= Yb (1), Y (2), Dy (3), Sm (4), Nd (5)] as versatile catalysts. The results indicate that in the direct synthesis of amides from aldehydes the catalysts have the activity order 2> 1 3 4 5. These ...