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ABSTRACT:
SUBMITTER: Xu ZH
PROVIDER: S-EPMC2977299 | biostudies-literature | 2009 Jul
REPOSITORIES: biostudies-literature
Acta crystallographica. Section E, Structure reports online 20090715 Pt 8
The title compound, C(36)H(36)N(4)O(4), was prepared as a spiro-lactam ring formation of the rhodamine dye for comparison with a ring-opened form. The xanthene ring system is approximately planar [r.m.s. deviations from planarity = 0.023 (9) Å for the xanthene ring]. The dihedral angles formed by the spiro-lactam and 1,3-benzodioxole rings with the xanthene ring system are 86.8 (1) and 74.3 (1)°, respectively. ...[more]