68423-29-0Relevant academic research and scientific papers
Selective ring contraction of 5-spirocyclopropane isoxazolidines mediated by acids
Cordero, Franca M.,Pisaneschi, Federica,Salvati, Maria,Paschetta, Valentina,Ollivier, Jean,Salauen, Jacques,Brandi, Alberto
, p. 3271 - 3280 (2007/10/03)
Thermolysis of 3,4-cis ring-fused 5-spirocyclopropane isoxazolidines 16, 18-21, 33, 34, 38a, and 61, in the presence of a protic acid at 70-110 °C, yielded 3,4-cis ring-fused azetidin-2-ones 22-26, 41, 42, 46, and 62 with concomitant extrusion of ethylene
