Chemistry of fruit flies. Composition of the rectal gland secretion of (male) Dacus cucumis (cucumber fly) and Dacus halfordiae. Characterization of (Z,Z)-2,8-dimethyl-1,7-dioxaspiro[5.5]undecane
作者:William Kitching、Judith A. Lewis、Michael V. Perkins、Richard Drew、Christopher J. Moore、Volker Schurig、Wilfried A. Koenig、Wittko Francke
DOI:10.1021/jo00277a028
日期:1989.8
Construction of Optically Active Spiroketal by Direct Aldol Reaction
作者:Hisanaka Ito、Chie Kawabe、Kazuo Iguchi
DOI:10.3987/com-05-s(t)61
日期:——
Novel preparation of symmetric spiroketal was developed by the use of direct aldol reaction of alpha-hydroxyacetophenone catalyzed by chiral dinuclear zinc catalyst. The spiroketal was obtained in excellent enantiomeric excess.