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Scorpionate chemistry at the 50th anniversary

机译:蝎子化学在50周年纪念日

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The year 2016 marks the 50th anniversary of the discovery of scorpionates (Trofimenko, 1966), a class of tris(pyrazolyl)borate (Tp) ligands with proven versatility afforded by the ease of tuning the steric bulk and electronic properties at the metal coordination site. By adding bulky alkyl or aryl substituents, such as tert-butyl or phenyl, on the 3-position of the pyrazole, the second generation of scorpionates was introduced to discourage the formation of bis-ligand metal complexes, allowing new tetrahedral complexes to be synthesized (Calabrese et al., 1986). Functionalizing the fourth, noncoordinating, back position on the B atom opened new possibilities in third-generation scorpionates, such as magnetic behavior (Reger, 2005). In 2013, the first special issue for Acta Crystallographica Section C was published, featuring scorpionates (Yap, 2013), and from the Editorial of that issue we quote 'The first book on scorpionates, 'Scorpionates: The Coordination Chemistry of Poly-pyrazolylborate Ligands', intended to provide a 32-year comprehensive coverage of Tp chemistry up to 1998 (including some 1999 papers), was published in 1999 (reprinted in 2005) with 1568 references cited (Trofimenko, 1999). The second book, 'Scorpionates II: Chelating Borate Ligands', was published in 2008 to cover research from 1999 to 2008, a much shorter nine-year period, with 1710 references cited (Pettinari, 2008). A study of common ligand metrics showed that Tp ligands had the largest population, at the time the study was conducted, for fac-coordinating triskelion (i.e. tripodal) ligands and were second largest only to cyclopentadienide ligands for all tridentate ligands (Aguila et al. 2009)... A search on scorpionate structures in the Cambridge Structural Database (Version 5.34 of May 2013; Allen, 2002) yields 3480 hits, of which 59 appear in Acta Crystallographica journals.'
机译:2016年标志着发现蝎子(Trofimenko,1966)的50周年,一类Tris(吡唑基)硼酸盐(TP)配体,通过在金属配位部位的易于调整空间批量和电子性质提供了易于调整的多功能性。通过在吡唑的3-位添加诸如叔丁基或苯基的体积烷基或芳基取代基,引入第二代蝎子以阻止双 - 配体金属配合物的形成,从而允许合成新的四面体复合物(Calabrese等人,1986年)。在B原子上官能化第四,非相配,背位置在第三代蝎子(例如磁性)(例如磁性)(Reer,2005)中开辟了新的可能性。 2013年,Acta CrystaLthabica C节的第一个特殊问题被公布,具有蝎子(YAP,2013),以及我们引用的第一本书的蝎子,蝎子:聚吡唑硼硼酸盐配体的协调化学品“旨在为1998年(包括1999年的一些1999年)提供32年的TP化学全面覆盖,于1999年(2005年转载),引用了1568篇参考文献(Trofimenko,1999)。第二本书“蝎子II:螯合硼酸配体”于2008年出版,涵盖了1999年至2008年的研究,这是一个较短的九年期间,引用了1710个参考文献(Pettinari,2008)。对常见配体度量的研究表明,TP配体具有最大的人群,在进行研究时,对于FAC协调触发器(即三码头)配体,并仅为所有三齿配体的环戊二烯酰胺配体(Aguila等人。 2009)

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