N-叔丁基羟胺 、
3-氟-2-羟基苯甲醛 在
α-(3-fluoro-2-hydroxyphenyl)-N-tert--butylnitrone 、 silica gel 作用下,
以The title compound was isolated in 92.7% yield as a yellow crystalline solid, m.p. 70.3° C. (Rf=0.25 on a silica gel plate的产率得到α-(3-fluoro-2-hydroxyphenyl)-N-tert--butylnitrone