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. 2013 Nov 27;69(Pt 12):o1826-7.
doi: 10.1107/S160053681303167X.

5-[(tert-Butyl-diphenyl-sil-yloxy)meth-yl]pyridazin-3(2H)-one

María Carmen Costas-Lago  1 , Tamara Costas  1 , Noemí Vila  1 , Carmen Terán  1
Affiliations

5-[(tert-Butyl-diphenyl-sil-yloxy)meth-yl]pyridazin-3(2H)-one

María Carmen Costas-Lago et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound, C21H24N2O2Si, a new pyridazin-3(2H)-one derivative, the carbonyl group of the heterocyclic ring and the O atom of the silyl ether are located on the same side of the pyridazinone ring and the C-C-O-Si torsion angle is -140.69 (17)°. In the crystal, mol-ecules are linked by pairs of strong N-H⋯O hydrogen bonds into centrosymmetric dimers with graph-set notation R 2 (2)(8). Weak C-H⋯π inter-actions are also observed.

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Figures

Fig. 1.
Fig. 1.
The molecular structure of (I) showing the atom-numbering scheme. Displacement ellipsoids are shown at the 20% probability level.
Fig. 2.
Fig. 2.
View of supramolecular dimer generated by NH···O hydrogen bonds.
See this image and copyright information in PMC

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