2-[(5-Chloro-2-hydroxybenzylidene)amino]-3′,6′-bis(diethylamino)spiro[isoindoline-1,9′-xanthen]-3-one
Zhi-hong Xu, Wei-yun Guo, Bo-wei Su and 2 more
Acta Crystallographica Section E · 2010
doi:10.1107/s1600536810019549 (opens in a new tab)
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Abstract
The title compound, C35H35ClN4O3, resulted from a spirolactam ring closure of rhodamine B dye. The xanthene ring system is approximately planar [r.m.s. deviation = 0.050 (9) Å for the xanthene ring]. The dihedral angles formed by the spirolactam and 5-chloro-2-hydroxybenzene rings with the xanthene ring system are 87.9 (7) and 79.1 (7)°, respectively.
Abstract licence: CC BY
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