Title of article :
A novel cyclization to isoxazolo[3,4-e][2,1]benzisoxazole
Author/Authors :
Katritzky، نويسنده , , Alan R. and Wang، نويسنده , , Zuoquan and Hall، نويسنده , , C.Dennis and Ji، نويسنده , , Yu and Akhmedov، نويسنده , , Novruz G. Akhmedov، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2002
Abstract :
Methylation of 2,1-benzisoxazole 4,5-dione 4-oxime 2 using dimethyl sulfate in DMF and in the presence of potassium carbonate gave a substantial yield of isoxazolo[3,4-e][2,1]benzisoxazole 4 by an unexpected cyclization reaction of the O-methylation product 3.
Keywords :
2 , 1-benzisoxazole , Boulton–Katritzky rearrangement , cyclization
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
