Di-[(2,4,6-tri-tert-butyl)-benzoyl]-phosphan, Di-[(2,4,6-tri-tert-butyl)-benzoyl]-arsan-keto-enol-tautomerie
✍ Scribed by G Märkl; H Sejpka
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- French
- Weight
- 209 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0040-4039
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## Abstract The crystal structures of molecules with two phosphaalkene groups have been determined. Differences in the stabilization of the PC π‐bond by the 2,4,6‐tri‐__tert__‐butylphenyl and 2,4‐di‐__tert__‐butyl‐6‐methylphenyl groups were observed. It has been found that lithium supermesityl(tri
In the title compound, C 21 H 26 N 2 O 3 , the molecule adopts an E configuration about the central C N double bond and exists in the phenol-imine tautomeric form. The two benzene rings make a dihedral angle of 38.5 (4) . Intramolecular O-HÁ Á ÁN hydrogen bonding is present.