作者:Thomas S. Dols、Thomas P. Spaniol、Jun Okuda
DOI:10.1107/s0108270109042280
日期:2009.11.15
High‐quality crystals of two bis(phenolate)titanium complexes, namely dichlorido4,4′‐dimethyl‐2,2′‐[cyclohexane‐1,2‐diylbis(sulfanediyl)]diphenolato}titanium(IV), [Ti(C20H22O2S2)Cl2], (I), and dichlorido2,2′‐[cyclohexane‐1,2‐diylbis(sulfanediyl)]diphenolato}titanium(IV), [Ti(C18H18O2S2)Cl2], (II), were obtained by reactive crystallization. Depending on the solvent, compound (II) was obtained as unsolvated
两种双酚盐钛配合物的高质量晶体,即二氯代4,4'-二甲基-2,2'-[环己烷-1,2-二基双(硫代二烷基)]二酚ato}钛(IV),[Ti( C 20 H 22 O 2 S 2)Cl 2 ],(I)和二氯基2,2'-[环己烷-1,2-二基双(硫代二烷基)]二酚基}}钛(IV),[Ti(C 18 H通过反应结晶获得18 O 2 S 2)Cl 2 ],(II)。取决于溶剂,以未溶剂化的形式(II a)或以甲苯半溶剂化物[Ti(C 18 H 18 O 2 S 2)Cl 2 ]·0.5C 7 H 8,(II b)。这些在芳族酚盐环上没有庞大取代基的体系可作为理想的预催化剂模型化合物。出色的X射线衍射数据将有助于弄清配体中的软S原子与硬钛中心之间不匹配的相互作用的性质。分子(I)具有晶体学C 2对称性。