Synthesis of N-substituted 3-(2-aryl-2-oxoeth­yl)-3-hy­droxy­indolin-2-ones and their conversion to N-substituted (E)-3-(2-aryl-2-oxo­ethyl­idene)indolin-2-ones: synthetic sequence, spectroscopic characterization and structures of four 3-hy­droxy com­pounds and five oxo­ethyl­idene products

Becerra, D.; Castillo, J.; Insuasty, B.; Cobo, J.; Glidewell, C.

doi:10.1107/S2053229620004143

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 10
Part of the crystal structure of compound (Ic), showing the formation of a chain of rings built from O—H⋯O, C—H⋯O and C—H⋯π(arene) hydrogen bonds. Hydrogen bonds are drawn as dashed lines and, for the sake of clarity, H atoms not involved in the motifs shown have been omitted.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 76| Part 5| May 2020| Pages 433-445

https://doi.org/10.1107/S2053229620004143

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