2-[(E)-2-(Benzyl­idene­amino)­eth­yl]-3′,6′-bis­(diethyl­amino)­spiro­[isoindoline-1,9′-xanthen]-3-one
2011

Study of a New Rhodamine Derivative

publication Evidence: moderate

Author Information

Author(s): Wei Zhen, Zheng Xujun, Bai Junjun, Zhai Xiaohong, Song Lili

Primary Institution: Tianjin Agricultural College

Conclusion

The study presents the crystal structure of a new rhodamine derivative, revealing its nearly planar xanthene and spirolactam rings.

Supporting Evidence

  • The xanthene and spirolactam rings in the compound are nearly planar.
  • The dihedral angles between the rings indicate a specific orientation that may affect the compound's properties.
  • One of the ethyl groups in the compound was found to be disordered during the refinement process.

Takeaway

Scientists created a new compound related to rhodamine dyes and found that its structure is mostly flat, which is important for how it might work in labeling and sensing.

Methodology

The compound was synthesized by dissolving N-(rhodamine-6 G)lactam-ethylenediamine in ethanol, adding benzaldehyde, and refluxing the mixture to obtain single crystals for X-ray measurements.

Digital Object Identifier (DOI)

10.1107/S1600536811020320

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