、
2,3-二氢-6-羟基苯并呋喃 、
3-甲氧基-4-甲基苯酚 、
4-chloro-1-(diphenylmethyl)-1H-indole-2,3-dione 、
N-二苯甲基靛红 以4-chloro-1-(diphenylmethyl)-3-hydroxy-3-(6-hydroxy-2,3-dihydro-1-benzofuran-5-yl)-1,3-dihydro-2H-indol-2-one was obtained (87%) as a beige solid的产率得到4-chloro-1-(diphenylmethyl)-3-hydroxy-3-(6-hydroxy-2,3-dihydro-1-benzofuran-5-yl)-1,3-dihydro-2H-indol-2-one