Synthesis and Photochromic Property of 1-(Spirobi[fluorene]- 2-yl)-3,4-bis(2,5-dimethylfuran-3-yl)-2,5-dihydro-1 H-pyrrole
LI Cai-Hua, ZHENG Chun-Mei, ZENG He-Ping
Chin. J. Org. Chem. . 2011, (05): 659 -664 .