3,5-二溴水杨醛 、
N-叔丁基羟胺 在
α-(3,5-dibromo-2-hydroxyphenyl)-N-tert-butylnitrone 、 silica gel 作用下,
以The title compound was isolated in 68.7% yield as a yellow crystalline solid, m.p. 111.3° C. (Rf=0.54 on a silica gel plate的产率得到α-(3,5-dibromo-2-hydroxyphenyl)-N-tert-butylnitrone