The Generation and Rearrangement of 2-(Diazoacetyl)cyclobutanones: The Formation of 5-Spirocyclopropyl-2(5H)-furanonesR.D. MillerW. Theiset al.2002Journal of Organic Chemistry
Photochemical Rearrangement of Some Cyclobutene-1,2-diones in the Presence of Cyclopentadiene: A Mechanistic StudyRobert D. MillerStephan Kirchmeyer1993Journal of Organic Chemistry