ASYMMETRIC INDUCTION CATALYZED BY CONJUGATE BASES OF CHIRAL PROTON ACIDS AS LIGANDS: ENANTIOSELECTIVE ADDITION OF DIALKYLZINC-ORTHOTITANATE COMPLEX TO BENZALDEHYDE WITH CATALYTIC ABILITY OF A REMARKABLE HIGH ORDER

DOI: 10.1016/S0040-4039(00)99546-7

Source and publish data:

Tetrahedron Letters p. 1657 - 1660 (1989)

Update date:2022-08-11

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Authors:

Yoshioka, Masato

Kawakita, Takashi

Ohno, Masaji

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Article abstract of DOI:10.1016/S0040-4039(00)99546-7

The addition of diethylzinc-orthotitanate complex to benzaldehyde catalyzed by 0.0001-0.04 equiv of chiral sulfonamide-titanate complex in toluene at 0- -30 deg C gives optically active 1-phenylpropanol in both high ee and chemical yields.NMR study suggests alkyltitanium is generated from diethylzinc and the titanate in situ.

Full text of DOI:10.1016/S0040-4039(00)99546-7

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