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Printed Magazine "TCIMAIL" > TCIMAIL Back Numbers 2001 >

Chiral Ligands

No.105(June 2001)
B1614
(-)-4,5-Bis[hydroxy(diphenyl)methyl]-2,2-dimethyl-1,3-dioxolane (1a)
B2048
(+)-4,5-Bis[hydroxy(diphenyl)methyl]-2,2-dimethyl-1,3-dioxolane (1b)
Chiral ligand 1 is used for enantioselective addition of Grignard reagents to ketones which affords tertiary alcohols with high optical yields1). Furthermore, a variety of titanium complexes may be prepared from 1, and the titanium complexes are used for asymmetric allylation reactions2), asymmetric alkylation reactions3), asymmetric iodocarbocyclization reactions4), and asymmetric Diels-Alder reactions5) etc.

References

Related Compounds

B1615
(+)-4,5-Bis[hydroxy(diphenyl)methyl]-2-methyl-2-phenyl-1,3-dioxolane
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