、 4H-benzo[d][1,3]dioxin-7-ol 、
3,4-二甲基苯酚 、
1-[(2R)-tetrahydrofuran-2-ylmethyl]-1H-indole-2,3-dione 、
N-二苯甲基靛红 以3-hydroxy-3-(7-hydroxy-4H-1,3-benzodioxin-6-yl)-1-[(2R)-tetrahydrofuran-2-ylmethyl]-1,3-dihydro-2H-indol-2-one was obtained (62%) as a colorless solid的产率得到3-hydroxy-3-(7-hydroxy-4H-1,3-benzodioxin-6-yl)-1-[(2R)-tetrahydrofuran-2-ylmethyl]-1,3-dihydro-2H-indol-2-one