| 引用本文: | 李长华,罗智.2,2’-二氟-6,6’-双(二苯基膦)联苯的合成[J].中国现代应用药学,1996,(5):34-35. |
| Li Chang-hua; Luo Zhi.Synthesis of (8,6'-difluorobiphenyl-2, 2'--diyl) bis (diphenylphosphine)[J].Chin J Mod Appl Pharm(中国现代应用药学),1996,(5):34-35. |
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| 摘要: |
| 2,2’-二氟-6,6’-双(二苯基膦)联苯是一种极具吸引力的、缺电子的过渡金属催化剂的配体。本文用三步反应合成了这个配体(总收率为53%)。比原文献报道的四步反应及49%总收率的方法有了改进。其结构为IR,MS及NMRI所证实。 |
| 关键词: 2 2’-二氟-6 6’-双(二本基膦)联苯过渡金属催化剂 不对称催化 |
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| Synthesis of (8,6'-difluorobiphenyl-2, 2'--diyl) bis (diphenylphosphine) |
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Li Chang-hua; Luo Zhi
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| Abstract: |
| The title compond as a most attractive electro-poor biphenyi-type ligand for transition metal catalysts was synthesized in three steps (83% overall yield) which is better than theoriginal method of four steps (49% overall yield). |
| Key words: (6, 6'-difluorobipheny1-2, 2'-diyl) bis (diphenylphosphine) transition metal cataly-sts asymmetric catalysis |
