Acta Cryst. (2002). E58, o473-o475  [ doi:10.1107/S1600536802005391 ]

A diphenylboron chelate of an ethylenebishydroxylamine formaldehyde adduct

W. Kliegel, H. Amt, B. O. Patrick, S. J. Rettig and J. Trotter

Abstract: 1,2-Bis[2,2-diphenyl-4-(2-propyl)-1,3-dioxa-4-azonia-2-boratacyclo-4-pentyl]ethane, C₃₄H₄₂B₂N₂O₄, crystallizes with the molecules lying on crystallographic inversion centres. The five-membered COBON ring has a half-chair conformation, with about 25% double-bond character for the C-O bond.

Online 5 April 2002

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