ChemInform Abstract: A Synthesis of Esters, Amides, and Sulfones Bearing a 1‐Cyclopentenyl Group at the α‐Position from Cyclobutanones with One‐Carbon Ring‐Expansion.

Abstract

Cyclopentane derivatives Q 0030A Synthesis of Esters, Amides, and Sulfones Bearing a 1-Cyclopentenyl Group at the α-Position from Cyclobutanones with One-Carbon Ring-Expansion. -The new method includes a magnesium carbenoid 1,2-CC insertion as the key reaction. -(SATOH*, T.; AWATA, Y.; OGATA, S.; SUGIYAMA, S.; TANAKA, M.; TORI, M.; Tetrahedron Lett. 50 (2009) 17, 1961-1964; Dep. Chem., Fac. Sci., Sci. Univ. Tokyo, Shinjuku, Tokyo 162, Japan; Eng.) -Mais 31-054