publication . Article . 1995

The synthesis of 1,2,7,11b-Tetrahydroisoxazolo[2,3-d][1,4]benzodiazepin-6(5H)-ones and 1,3,3a,9b-tetrahydroisoxazolo[4,3-c]quinolin-4(5H)-ones

Heaney, Frances; Bourke, Sharon;
Open Access English
  • Published: 01 Jan 1995
  • Publisher: Elsevier
The reaction of various ethyl 3-[[2-(1-hydroxyiminoalkyl)phenyl]carbamoyl]acrylates (2) with electron deficient olefins proceeds via a sequential dipole formation, dipolar cycloaddition sequence to furnish the tetrahydroisoxazolo[2,3-d][1,4]benzodiazepin-6(5H)-ones and tetrahydroisoxazolo[4,3-c]quinolin-4(5H)-ones (4) and (6). The product distribution reflects the nature of the reacting olefin and the position and extent of substitution on the acrylate moiety.
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