A new general approach to the 2-hydroxy-2H-1, 4-benzoxazin-3 (4H)-one skeleton via diisobutylaluminum hydride reduction of 2, 3-dioxo-1, 4-benzoxazines
... Synthesis 1993; 1993(8): 771-772 DOI: 10.1055/s-1993 ... A series of naturally occurring hemiacetals 2a-d was synthesized by the chemoselective diisobutylaluminum hydride reduction of 2,3-dioxo-4H-1, 4-benzoxazines 1a,b and their N-hydroxy derivatives 1c,d precursors. ...
