Asymmetric epoxidation of cinnamyl alcohol with optically active titanium complexes
2005; Wiley; Volume: 18; Issue: 1 Linguagem: Inglês
10.1002/chir.20217
ISSN1520-636X
AutoresYolanda Pérez, Sonia Morante‐Zarcero, Isabel del Hierro, Isabel Sierra, Mariano Fajardo, Antonío Otero,
Tópico(s)Asymmetric Synthesis and Catalysis
ResumoAbstract A family of titanium(IV) alkoxo compounds [{Ti(O‐ i ‐Pr) 2 (OR) 2 } 2 ] 1–4 prepared by alcohol exchange of Ti(O‐ i ‐Pr) 4 and a chiral higher‐boiling alcohol [ROH = 1,2:3,4‐di‐ O ‐isopropylidene‐α‐ d ‐galactopyranose, 1,2:5,6‐di‐ O ‐isopropylidene‐α‐ d ‐glucofuranose, (1 R ,2 S ,5 R )‐(−)‐menthol, (1 S ‐ endo )‐(−)‐borneol, (1 S ,2 R ,5 S )‐(+)‐menthol, and (+)‐borneol] has been tested to evaluate their catalytic activity and stereoselectivity in the asymmetric epoxidation of cinnamyl alcohol. © 2005 Wiley‐Liss, Inc. Chirality
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