stack units. Z2 formed hydrogen-bonded 1D network structures but was completely devoid of π−π stacking interactions. Emission processes were found to be more dependent on the substituents on phenol as well as condensed media. In contrast to general conclusions on closely related systems in the literature, significant photorelaxation from the excited enol state was observed in the cases of L1 in methanol
一系列的2-(
咪唑-2-基)
苯酚配位体L1 - L6与一般组合物4-R 4 -5-R 3 -6-R 2 -2-(4,5--R 1,R 1 - 1H -
咪唑-2-基)
苯酚(L1:R 1 = C 2 H 5,R 2 = R 3 = R 4 = H;
L2:R 1 = C 6 H 5,R 2 = R 3 = R 4 = H ; L3:R 1 = C6 H 5,R 3= OCH 3,R 2= R 4= H;L4:R 1= C 6 H 5,R 4= OCH 3,R 2= R 3= H;L5:R 1= C 6 H 5,R 3= H,R 2= R 4= CH 3;L6:R 1= C 6 H 5,R 3= H,R 2= R 4=t- Bu)和L7(2,4-二叔丁基-6-(1H-
菲[9,10-d]
咪唑-2-基)
苯酚)及其中性Zn(II)配合物(Z1 - Z7)被合成并通过光谱和元素分析表征。通过单晶X射线衍