作者:Feng Zhai、Richard F. Jordan
DOI:10.1021/om500978n
日期:2014.12.22
amide-functionalized arylimine unit. 5d, 6d, and 7d exhibit intramolecular N–H···Cl and N–H···O hydrogen bonding interactions involving the amide NH units. The reactions of 5a,a′, 5c-anti, and 5d,d′ with AgSbF6 in the presence of pyrazole yield the corresponding (α-diimine)PdMe(pz)+SbF6– salts (8a,c,d; pz = pyrazole), which exhibit an intramolecular hydrogen bond between the amide oxygen and the pyrazole NH unit
描述了在N-芳基环上带有酰胺取代基的一类(N,N'-二芳基-α-二亚胺)Pd络合物。涉及酰胺基团的氢键相互作用影响这些化合物的结构,异构体分布和配体配位行为。酰胺官能化的α-二亚胺配体(2,6- i Pr 2 -Ph)N═CMeCMe═N(2-C(= O)NMe 2 -6- i Pr-Ph)(4a),(2,6 -我镨2 -Ph)N═CMeCMe═N(2,6-(C(= O)NME 2)2 -Ph)(图4b),和(2-C(= O)NME 2 -6-我镨-Ph)N═CMeCMe═N(2-C(═O)NMe 2 -6- i通过2,3-丁二酮与适当的苯胺的缩合反应可制得Pr-Ph)(4c)。尝试制备(2,6- i Pr 2 -Ph)N═CMeCMe═N(2-C(= O)NHMe-6- i Pr-Ph)(4d)得到相应的1,2-二氢喹唑啉酮衍生物4d由酰胺氮在近端亚胺碳上的亲核攻击而形成的'。4a和4b