甲醇 、 3-ethyl-6-[hydroxy(4-nitrophenyl)methyl]-1,3-benzoselenazol-2(3H)-one 在
乙腈 、
3-ethyl-6-[hydroxy(4-nitrophenyl)methyl]-1,3-benzothiazol-2(3H)-one 作用下,
以3-Ethyl-6-(4-nitrobenzoyl)-1,3-benzoselenazol-2(3H)-one (2.2 g, 5.8 mmol), methanol (30 ml) sodium borohydride (0.3 g, 5.8 mmol), the product 6a obtained的产率得到3-ethyl-6-(4-nitrobenzoyl)-1,3-benzoselenazol-2(3H)-one