Abstract
In the crystal structure of the title compound, C4H8N2O4·C18H15OP, two triphenylphosphine oxide molecules and two dimethyl hydrazine-1,2-dicarboxylate molecules are connected via N—H⋯O hydrogen bonds of moderate strength and are related via a twofold rotational axis. Weak Car—H⋯ O contacts strengthen the crystal structure.
Highlights
In the crystal structure of the title compound, C4H8N2O4C18H15OP, two triphenylphosphine oxide molecules and two dimethyl hydrazine-1,2-dicarboxylate molecules are connected via N—H O hydrogen bonds of moderate strength and are related via a twofold rotational axis
Even though the Mitsunobu reaction has been known for over 40 years, only in 1996 has an X-ray structure of a similar complex (Anderson et al, 1996, Héroux & Brisse, 1997) been published and its stability was attributed to strong association via hydrogen bonding
Symmetry codes: (i) −x, y, −z+3/2; (ii) x, −y+1, z+1/2; (iii) −x+1/2, y+1/2, −z+3/2
Summary
Nazarenkoc* and Fabio da Paixao Soaresa a Departamento de Quımica, Universidade Federal Rural de Pernambuco, 52171-900. PE, Brazil, bDepartment of Chemistry, State University of New York, College at Geneseo, 1 College Circle, Geneseo, NY 14454, USA, and cChemistry. Department, State University of New York, College at Buffalo, 1300 Elmwood Ave, Buffalo, NY 14222-1095, USA. R factor = 0.036; wR factor = 0.095; data-to-parameter ratio = 13.0. In the crystal structure of the title compound, C4H8N2O4C18H15OP, two triphenylphosphine oxide molecules and two dimethyl hydrazine-1,2-dicarboxylate molecules are connected via N—H O hydrogen bonds of moderate strength and are related via a twofold rotational axis. Car—H O contacts strengthen the crystal structure
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