Synthesis of zwitterionic phosphapalladacycles: unusual reactivity pattern of six-membered P,N-chelates,Organometallics

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Synthesis of zwitterionic phosphapalladacycles: unusual reactivity pattern of six-membered P,N-chelates
Organometallics ( IF 2.5 ) Pub Date : 2018-06-28 , DOI: 10.1021/acs.organomet.8b00224
László Szi-Ferenc ₁ , Zsófia Császár ₁ , György Lendvay _{2,

3} , Attila Bényei ₄ , Szabolcs Balogh ₅ , Balázs Nánási ₆ , Gergely Farkas ₁ , József Bakos ₁

Affiliation

A cyclometalation motif has been discovered in the unprecedented reaction of Pd(II) precursors with simple pentane-2,4-diyl based aminoalkyl-phosphines. The unique six-membered zwitterionic palladacycles can easily be synthesized in the presence of 1 molar equiv of oxidant in high yields in a pure form. A comparison between the analogous ligands of different tether lengths revealed that the formation of the zwitterionic palladacycles is the exclusive privilege of the six-membered rings.

中文翻译：

两性离子磷酸四环铝环化合物的合成：六元P，N螯合物的异常反应模式。

在Pd（II）前体与简单的基于戊烷-2,4-二基的氨基烷基膦发生的空前反应中，发现了环金属化基序。在1摩尔当量的氧化剂存在下，独特的六元两性离子型Palladacycles可以轻松地以纯净形式高收率合成。不同系链长度的类似配体之间的比较表明，两性离子保拉达环的形成是六元环的专有特权。

更新日期：2018-06-30

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