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    • 2. 发明申请
    • Method for Preparing Metal Complexes of Polydentate Beta-Ketoiminates
    • 制备多齿β-酮基酮的金属络合物的方法
    • US20110040124A1
    • 2011-02-17
    • US12702655
    • 2010-02-09
    • Xinjian LeiDaniel P. Spence
    • Xinjian LeiDaniel P. Spence
    • C07C249/02
    • C07C221/00C07C225/04
    • A method for making a group 2 metal-containing polydentate β-ketoiminate represented by the following structure A: wherein M is a metal selected from the group consisting of Mg, Ca, Sr, and Ba; R1, R3, R5, and R6 are independently selected from an alkyl group, a fluoroalkyl group, a cycloaliphatic group, and an aryl group; R2 is selected from a hydrogen atom, an alkyl group, an alkoxy group, a cycloaliphatic group, and an aryl group; and R4 is an alkyenyl bridge, comprising: reacting M in a reaction mixture comprising a tridentate ketoimine ligand and an alcohol comprising at least one selected from the group consisting of R7OH and (OH)nR8 wherein R7 and R8 are independently selected from an alkyl group and an aryl group. In certain embodiments, the reaction mixture further comprises an organic solvent.
    • 一种由以下结构A表示的含2族金属的多金属和酮基的方法:其中M是选自Mg,Ca,Sr和Ba的金属; R 1,R 3,R 5和R 6独立地选自烷基,氟烷基,脂环族基和芳基; R2选自氢原子,烷基,烷氧基,脂环族基和芳基; 并且R 4是烷基桥,其包括:在包含三齿酮亚胺配体和包含选自由R7OH和(OH)nR8组成的组中的至少一种的醇的反应混合物中使M反应,其中R 7和R 8独立地选自烷基 和芳基。 在某些实施方案中,反应混合物还包含有机溶剂。
    • 6. 发明授权
    • Liquid precursor for depositing group 4 metal containing films
    • 用于沉积第4组含金属膜的液体前体
    • US08592606B2
    • 2013-11-26
    • US12950352
    • 2010-11-19
    • Xinjian LeiJohn Anthony Thomas NormanDaniel P. Spence
    • Xinjian LeiJohn Anthony Thomas NormanDaniel P. Spence
    • C07F7/00C07F7/28C23C16/00
    • C07F17/00C07F7/003
    • The present invention is related to a family of liquid group 4 precursors represented by the formula: (pyr*)M(OR1)(OR2)(OR3) wherein pyr* is an alkyl substituted pyrrolyl, wherein M is group 4 metals include Ti, Zr, and Hf; wherein R1-3 can be same or different and selected from group consisting of linear or branched C1-6 alkyls; preferably C1-3 alkyls; R4 is selected from the group consisting of C1-6 alkyls, preferably branched C3-5 alkyls substituted at 2, 5 positions to prevent the pyrrolyl coordinated to the metal center in η1 fashion; n=2, 3, 4. Most preferably the invention is directed to (2,5-di-tert-butylpyrrolyl)(tris(ethoxy)titanium, (2,5-di-tert-amylpyrrolyl)(tris(ethoxy)titanium, and (2,5-di-tert-amylpyrrolyl)(tris(iso-propoxy)titanium. The invention is also directed to (cyclopentadienyl)(2,5-di-methylpyrrolyl)(bis(ethoxy))titanium. Deposition methods using these compounds are also contemplated.
    • 本发明涉及一种由式(pyr *)M(OR1)(OR2)(OR3)表示的液体组4前体,其中pyr *是烷基取代的吡咯基,其中M是第4族金属包括Ti, Zr和Hf; 其中R1-3可以相同或不同,并且选自直链或支链C 1-6烷基; 优选C 1-3烷基; R4选自C1-6烷基,优选在2,5位取代的支链C3-5烷基,以防止以eta1方式与金属中心配位的吡咯啉; 最优选本发明涉及(2,5-二叔丁基吡咯基)(三(乙氧基)钛,(2,5-二叔戊基吡咯基)(三(乙氧基)钛 本发明还涉及(环戊二烯基)(2,5-二甲基吡咯基)(双(乙氧基))钛。沉积方法 也考虑使用这些化合物。