Synlett p. 125 - 126 (2005)
Update date:2022-08-05
Topics:
Foti, Francesco
Grassi, Giovanni
Risitano, Francesco
The 1,3-dipolar cycloaddition of arylmethylenebarbiturates 4 with C-Br 2 and C-H 3 nitrilimines gives spiropyrazolobarbiturates 5 and 6 with reverse regioselectivities.
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