Synthesis, metal complex formation, and resolution of a new C 2 diazabiaryl ligand: cyclo-octa [2, 1-b: 3, 4-b′] dipyridine

XC Wang, YX Cui, TCW Mak…

Index: Wang, Xiu Chun; Cui, Yu Xin; Mak, Thomas C. W.; Wong, Henry N. C. Journal of the Chemical Society, Chemical Communications, 1990 , # 2 p. 167 - 169

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Abstract

A new C2 diazabiaryl ligand cyclo-octa [2, 1-b: 3, 4-b′] dipyridine (1) has been prepared, and an X-ray crystallographic analysis of the tetracarbonyl molybdenum complex of (1) showed that the torsional angle between the alkenic bonds is 51°; attempted resolution of (1) with a chiral palladium complex apparently afforded a single diastereoisomer, whose stereochemical configuration was substantiated by one-dimensional and two-dimensional ...