Microwave synthesis of bis(tetrazolato)-PdII complexes with PPh3 and water-soluble 1,3,5-triaza-7-phosphaadamantane (PTA). The first example of C–CN bond cleavage of propionitrile by a PdII Centre
作者:Jamal Lasri、María José Fernández Rodríguez、M. Fátima C. Guedes da Silva、Piotr Smoleński、Maximilian N. Kopylovich、João J.R. Fraústo da Silva、Armando J.L. Pombeiro
DOI:10.1016/j.jorganchem.2011.07.047
日期:2011.11
[2 + 3] Cycloaddition reactions of the di(azido)-PdII complex trans-[Pd(N3)2(PPh3)2] (1) with an organonitrile RCN (2), under heating for 12 h, give the bis(tetrazolato) complexes trans-[Pd(N4CR)2(PPh3)2] (3) [R = Me (3a), Ph (3b), 4-ClC6H4 (3c), 4-FC6H4 (3d), 2-NC5H4 (3e), 3-NC5H4 (3f), 4-NC5H4 (3g)]. The reaction of trans-[Pd(N3)2(PPh3)2] (1) with propionitrile (2h) also affords, apart from tran
[2 + 3]将二(叠氮基)-Pd II复合物反式-[Pd(N 3)2(PPh 3)2 ](1)与有机腈RCN(2)的环加成反应加热12 h,得到bis(tetrazolato)配合物反式- [Pd(N 4 CR)2(PPh 3)2 ](3)[R = Me(3a),Ph(3b),4-ClC 6 H 4(3c),4- FC 6 H 4(3d),2-NC5 H 4(3e),3-NC 5 H 4(3f),4-NC 5 H 4(3g)]。的反应的反式- [钯(N 3)2(PPH 3)2 ](1)与丙腈(2H)也提供,除了反式- [钯(N 4 CET)2(PPH 3)2 ](3H) ,出乎意料的混合氰基-四唑络合物反式- [Pd(CN)(N 4 CEt)(PPh3)2 ](3h)来源于双(四唑并)3h与丙腈的反应,并伴有5-乙基-1 H-四唑的形成,这是通过将腈以不寻常的氧化方式加成到Pd II上而得到的。的[2