Research Article: 2-Methyl­sulfonyl-1,2,4-triazolo[1,5-a]quinazolin-5(4H)-one

Date Published: June 01, 2012

Publisher: International Union of Crystallography

Author(s): Rashad Al-Salahi, Mohamed Marzouk, Mohammed Abbas, Seik Weng Ng.

http://doi.org/10.1107/S1600536812021769

Abstract

The triazoloquinazoline fused-ring system of the title compound, C10H8N4O3S, is essentially planar (r.m.s. deviation = 0.027 Å). In the crystal, adjacent mol­ecules are linked by N—H⋯Osulfon­yl hydrogen bonds, generating a helical chain running along the b axis.

Partial Text

For the synthesis of the precursor, see: Al-Salahi & Geffken (2011 ▶).

 

Source:

http://doi.org/10.1107/S1600536812021769

 

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