Wiley-VCH Verlag, ChemInform, 13(34), 2003
Elsevier, Tetrahedron Letters, 1(44), p. 69-71
DOI: 10.1016/s0040-4039(02)02528-5
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A highly stereoselective and efficient synthetic approach to cyclobutane and cyclobutene derivatives has been developed consisting of a [2+2] photochemical cycloaddition of chiral 2(5H)-furanones to (Z)-1,2-dichloroethylene followed by dihydrodehalogenation or dihaloelimination.