3H-1,3-Azaphospholo[4,5-b]pyridines – novel heterocyclic P,N-bridging or hybrid ligands: synthesis and first d<sup>8</sup>-transition metal complexes
作者:Mohamed Shaker S. Adam、Markus K. Kindermann、Peter G. Jones、Joachim W. Heinicke
DOI:10.1039/c5dt04073f
日期:——
pentacarbonyls led to P-coordinated LM(CO)5 complexes 3a–5a (Cr, Mo, W) and the reaction of 2c with (norbornadiene)Mo(CO)4 surprisingly to 4c. [Rh(1,5-COD)Cl]2 and 2a,b, in metal/ligand ratio 1 : 1, furnished LRh(1,5-COD)Cl complexes 6a,b with P-coordination, 6b accompanied by a minor contamination by the bis-coordinated L[Rh(COD)Cl]2 complex 7b. Reactions of 2a,b with [(allyl)PdCl]2 proceeded in THF with dismutation
第一3 ħ -1,3- azaphospholo -吡啶2A-C是由的反应,作为外消旋混合物合成在温和至中等产量ñ - (2-氯吡啶-3-基)氯化-trimethylacetimidoyl 1与RPLi 2(R = PH,ñ -Bu,异丁基),从产生的RPH 2和BuLi的THF中,在-70℃,并且相对于它们适合作为在过渡金属络合物的配体(L)的影响。的反应图2a与第6族金属(0)导致P-LM协调(CO)pentacarbonyls 5个络合物3A-5A(铬,钼,W)和的反应2c中与(降冰片二烯)的Mo(CO)4出奇到4c。[Rh(1,5-COD)Cl] 2和2a,b,金属/配体比例1:1,提供带有P-配位的LRh(1,5-COD)Cl配合物6a,b,伴有次要配体6b双配位的L [Rh(COD)Cl] 2配合物7b污染。的反应图2a,2b与[(烯丙基)的PdCl] 2进行,在THF与N-协