e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Tetrahedron
Rearrangement of isoxazoline-5-spiro derivatives. Part 7. Thermal rearrangement of 4, 5-dihydro and tetrahydroisoxazole-5-spirocyclobutanes to azepin-4-one …
A Goti, A Brandi, F De Sarlo, A Guarna
Index: Goti; Brandi; De Sarlo; Guarna Tetrahedron, 1992 , vol. 48, # 25 p. 5283 - 5300
Some representative 4, 5-dihydro and tetrahydroisoxazole 5-spirocyclobutanes have been synthesized by 1, 3-dipolar cycloaddition of alkylidenecyclobutanes to nitrile oxides and nitrones, respectively. When subjected to flash vacuum thermolysis conditions, the ...