Abstract
The title compound, C33H34N4O2S·CH3OH, was prepared as a spirolactam ring formation of rhodamine 6 G dye for comparison with a ring-opened form. The xanthene and spirolactam rings are approximately planar [r.m.s. deviations from planarity = 0.122 (3) and 0.072 (6) Å, respectively]. The dihedral angles formed by the spirolactam and thiophene rings with the xanthene ring system are 89.7 (6) and 86.5 (2)°, respectively. The crystal structure features N—H⋯O and C—H⋯O hydrogen bonds.
Highlights
The title compound, C33H34N4O2SCH3OH, was prepared as a spirolactam ring formation of rhodamine 6 G dye for comparison with a ring-opened form
The dihedral angles formed by the spirolactam and thiophene rings with the xanthene ring system are 89.7 (6) and 86.5 (2), respectively
The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry
Summary
30 ,60 -Bis(ethylamino)-20 ,70 -dimethyl-2-{2(E)-[(thiophen-2-yl)methylideneamino]ethyl}spiro[isoindoline-1,90 -xanthen]-3one methanol monosolvate a b b. College of Urban Planning and Environmental Science, Xuchang University, Xuchang, Henan Province 461000, People’s Republic of China, and bSchool of Chemistry and Chemical Engineering, Xuchang University, Xuchang, Henan. R factor = 0.077; wR factor = 0.250; data-to-parameter ratio = 14.6. Symmetry codes: (i) x þ 1; y; z; (ii) x þ 2; y þ 12; z þ 12. The title compound, C33H34N4O2SCH3OH, was prepared as a spirolactam ring formation of rhodamine 6 G dye for comparison with a ring-opened form. The xanthene and spirolactam rings are approximately planar [r.m.s. deviations from planarity = 0.122 (3) and 0.072 (6) Å, respectively]. The dihedral angles formed by the spirolactam and thiophene rings with the xanthene ring system are 89.7 (6) and 86.5 (2) , respectively.
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