N-叔丁基羟胺 、
3-乙氧基水杨醛 在
α-(3-ethoxy-2-hydroxyphenyl)-N-tert-butylnitrone 、 silica gel 作用下,
以The title compound was isolated in 36.4% yield as a yellow crystalline solid, m.p. 91.9° C. (Rf=0.25 on a silica gel plate的产率得到α-(3-ethoxy-2-hydroxyphenyl)-N-tert-butylnitrone