作者:F. M. Miao、L. J. Zhang、X. Wen、W. H. Zhou、Z. C. Niu、J. G. Han、X. L. Liu
DOI:10.1107/s0108270195013175
日期:1996.3.15
The title compound, C25H24N2O3, is one of the fluoran derivatives, The molecule has a Y-style structure which is composed of a half-chair xanthene moiety and an almost planar isobenzofuran fragment. The C-O single-bond distance of 1.528(6)Angstrom in the lactone ring is longer than those normally found in both lactone and 2'-nitrofluoran.