Acta Crystallographica Section C

Crystal Structure Communications

Volume 60, Part 2 (February 2004)

Acta Cryst. (2004). C60, o107-o109 [doi:10.1107/S0108270103027859]

5,5'-Di-tert-butyl-2,2'-dihydroxy-3,3'-methylenedibenzaldehyde and 6,6'-di-tert-butyl-8,8'-methylenebis(spiro[4H-1,3-benzodioxin-2,1'-cyclohexane])

B. Masci, S. Levi Mortera, L. Seralessandri and P. Thuéry

Abstract: Two related compounds containing p-tert-butyl-o-methylene-linked phenol or phenol-derived subunits are described, namely 5,5'-di-tert-butyl-2,2'-dihydroxy-3,3'-methylenedibenzaldehyde, C₂₃H₂₈O₄, (I), and 6,6'-di-tert-butyl-8,8'-methylenebis(spiro[4H-1,3-benzodioxin-2,1'-cyclohexane]), C₃₅H₄₈O₄, (II). Both compounds adopt a `butterfly' shape, with the two phenol or phenol-derived O atoms in distal positions. Phenol and aldehyde groups in (I) are involved in intramolecular hydrogen bonds and the two dioxin rings in (II) are in distorted half-chair conformations.

Formula: C₂₃H₂₈O₄ and C₃₅H₄₈O₄

Online 10 January 2004


	Structure factor file (CIF format) (92.5 kbytes) Contains datablock I

	Structure factor file (CIF format) (275.2 kbytes) Contains datablock II

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