2-(1H-inden-1'-yl)benzaldehyde dimethyl acetal 在
吡啶 、
四氧化锇 、 sodium sulfite 作用下,
生成 2-<(1'α,2'α,3'α)-2',3'-dihydroxy-2',3'-dihydro-1'H-inden-1'-yl>benzaldehyde dimethyl acetal 、 2-<(1'α,2'β,3'β)-2',3'-dihydroxy-2',3'-dihydro-1'H-inden-1'-yl>benzaldehyde dimethyl acetal