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Dendritic TADDOLs: Synthesis, Characterization and Use in the Catalytic Enantioselective Addition of Et 2 Zn to Benzaldehyde
Author(s) -
Rheiner P. Beat,
Seebach Dieter
Publication year - 1999
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/(sici)1521-3765(19991105)5:11<3221::aid-chem3221>3.0.co;2-p
Subject(s) - benzaldehyde , catalysis , enantioselective synthesis , chemistry , characterization (materials science) , combinatorial chemistry , organic chemistry , polymer chemistry , materials science , nanotechnology
Novel chiral dendritic catalysts carrying a TADDOL unit in their centers have been synthesized and fully characterized ( 1 ). The titanates of the dendritic TADDOLs, bearing either achiral or chiral branches, catalyzed the addition of Et 2 Zn to PhCHO with excellent selectivities that are comparable with those of catalysis by simple Ti TADDOLates.