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ChemInform Abstract: Ester Derived Titanium Enolate Aldol Reaction: Highly Diastereoselective Synthesis of syn- and anti-Aldols.

✍ Scribed by A. K. GHOSH; S. FIDANZE; M. ONISHI; K. A. HUSSAIN

Publisher
John Wiley and Sons
Year
2010
Weight
31 KB
Volume
29
Category
Article
ISSN
0931-7597

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✦ Synopsis

1998 hydroxycarboxylic acids

hydroxycarboxylic acids (ether carboxylic acids) (acyclic compounds) and esters P 0280

01 -075

Ester Derived Titanium Enolate Aldol Reaction: Highly Diastereoselective Synthesis of syn-and anti-Aldols. -Titanium enolates derived from esters (I) undergo aldol reactions with the bidentate aldehydes (II) yielding the adducts (III) with high syn-diastereoselectivities. In contrast, reactions of the monodentate isovaleraldehyde (V) proceed with excellent anti-selectivity. -(GHOSH, A.

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