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含的混合卡力克斯菲林:可见的和高效的催化剂的有希望的混合捐赠者配体
Yoshihiro Matano1, Tooru Miyajima, Takashi Nakabuchi
1Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan. matano@scl.kyoto-u.ac.jp
Journal of the American Chemical Society
|September 7, 2006
概括
合成了含有和硫的新混合卡力克斯菲林. 由此产生的复合物有效催化了赫克反应,展示了其在有机合成中的潜力.
科学领域:
- 有机化学 有机化学
- 超分子化学 超分子化学
- 催化剂是一种催化剂.
背景情况:
- 混合卡力克斯菲林是具有可调节性质的宏环化合物.
- 和硫异原子提供了独特的协调环境.
- 催化交叉合反应在有机合成中至关重要.
研究的目的:
- 为了合成含有和硫的新型混合物calixphyrins.
- 为了描述混合型卡力克斯菲林的合物复合物的结构.
- 评估赫克反应中复合物的催化活性.
主要方法:
- 使用三化物 (BF3) 作为促进剂的脱水凝结反应.
- 进行X射线晶体分析以确定结构.
- 赫克反应使用甲和n-丁烯酸盐作为基质.
主要成果:
- 成功合成含有和硫的混合卡力克斯菲林.
- X射线晶体学证实了Pd-P,N2,S-混合卡力克斯菲林复合体中Pd中心周围扭曲的方形平面几何形状.
- 在高温下,复合体在催化赫克反应方面表现出高效率.
结论:
- 开发的混合卡力克斯菲林为金属复合提供了一个新的支架.
- 复合物是赫克反应的有效催化剂.
- 这项工作扩大了calixphyrin化学的范围及其在催化中的应用.
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