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Comparison of the molecular geometry of the title compound, C22H24N2O, with that of other spirooxazines indicates that there is no correlation between the degree of planarity of the oxazine ring and the photochromic properties. The Csp3-O bond, at 1.4767 (7) Å, is long, in keeping with its weakness.
Supporting information
| Crystallographic Information File (CIF) Contains datablocks cf1201, global |
| Structure factor file (CIF format) Contains datablock CF1201 |
CCDC reference: 129938
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