Portal de Periódicos da CAPES

Polymerization of ε-caprolactone using bulky alkoxo-titanium complexes and structural analysis of [Ti(OBorneoxo)2Cl2(thf)2]

2006; Elsevier BV; Volume: 691; Issue: 13 Linguagem: Inglês

10.1016/j.jorganchem.2006.03.019

1872-8561

Yolanda Pérez, Isabel del Hierro, Isabel Sierra, Pilar Gómez‐Sal, Mariano Fajardo, Antonío Otero,

Polyoxometalates: Synthesis and Applications

Abstract A variety of bisalkoxo titanium dichloride THF adducts [Ti(OR)2Cl2(thf)2] {OR = adamantanoxo (9), (1R,2S,5R)-(−)-menthoxo (10), (1S-endo)-(−)-borneoxo (11)} have been prepared and characterized by spectroscopic techniques. The molecular structure of 11 has been determined by single-crystal X-ray diffraction studies. The parent Lewis acid bisalkoxo titanium dichloride derivatives and related alkoxo complexes [Ti(OR)2(OPri)2]2 have been tested as initiators in ring-opening polymerization of e-caprolactone and l -lactide.