Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 12 (December 2013)


organic compounds



bx2453 scheme

Acta Cryst. (2013). E69, o1826-o1827    [ doi:10.1107/S160053681303167X ]

5-[(tert-Butyl­diphenyl­sil­yloxy)meth­yl]pyridazin-3(2H)-one

M. C. Costas-Lago, T. Costas, N. Vila and C. Terán

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, mol­ecules are linked by pairs of strong N-H...O hydrogen bonds into centrosymmetric dimers with graph-set notation R22(8). Weak C-H...[pi] inter­actions are also observed.


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