Research Article: Spiro­[1,3-dioxolane-2,3′-indolin]-2′-one

Date Published: June 01, 2010

Publisher: International Union of Crystallography

Author(s): Yan Meng, Yanqing Miao.

http://doi.org/10.1107/S1600536810016132

Abstract

The title compound, C10H9NO3, was synthesized by the condensation reaction of isatin (systematic name 1H-indole-2,3-dione) with glycol in presence of p-toluene­sulfonic acid. The indol-2-one ring system is essentially planar [N—C—C—C torsion angle = 3.1 (2)°], and the 1,3-dioxolane ring is slightly distorted. The crystal structure exhibits inter­molecular N—H⋯O hydrogen bonds.

Partial Text

For the synthesis of the title compound, see: Santos et al. (2008 ▶). For the bioactivity of the title compound, see: Demosthenes et al. (1998 ▶); Rajopadhye & Popp (1988 ▶).

 

Source:

http://doi.org/10.1107/S1600536810016132

 

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