1999 cyclobutane derivatives

cyclobutane derivativesQ 0022

37 - 076Stereoselective Yang Cyclizations of α-Amido Ketones. — Inconnection with a recent work cyclobutanols such as (II), (V), and (VII) areobtained with high stereoselectivity by the title reaction. In some cases suchas (V) and (VII) the stereochemistry is determined by X-ray analysis. —(GRIESBECK, AXEL G.; HECKROTH, HEIKE; LEX, JOHANN; Chem.Commun. (Cambridge) (1999) 12, 1109-1110; Inst. Org. Chem., Univ. Koeln,D-50939 Koeln, Germany; EN)

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