99336-57-9Relevant academic research and scientific papers
Thermal Rearrangement of Benzisoxazole- and Naphthisoxazolequinones in Solution and in the Solid State. Stereoselective Synthesis of γ-Cyanomethylidenebutenolides.
Martinez-Diaz, M. Victoria,Rodriguez-Morgade, Salome,Schaefer, Wolfram,Torres, Tomas
, p. 2261 - 2274 (2007/10/02)
Readily accessible benzisoxazolequinones 1 undergo thermal induced highly stereoselective rearrangement in solution to afford quantitatively γ-cyanomethylidenebutenolides 3.The transformation can be explained by the formation of a vinylogous nitrene inter
A facile synthesis of alkylidenebutenolides via thermal rearrangement of benzisoxazolequinones
Torres, Tomas,Schaefer, Wolfram
, p. 5825 - 5828 (2007/10/02)
Benzisoxazolequinones 1 readily accesible from 2-carboxy-1,4-hydroquinone undergo thermic induced highly stereoselective rearrangement in solution to produce quantitatively γ-cyanomethylidenebutenolides 2.
Rearrangement of 3-Methoxy Substituted Benzisoxazole- and Naphthisoxazolequinones in Dimethyl Sulfoxide Solution
Torres, Tomas,Eswaran, S.V.,Schaefer, Wolfram
, p. 705 - 711 (2007/10/02)
The reactions of the 3-methoxy-isoxazole quinones 1 and 9 in a highly polar solution of dimethyl sulfoxide have been studied.Quinones of type 2,4/11,5/12,6 and 7/13 have been isolated; nmr measurements give a detailed insight into the reaction mechanism.
