Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Synthesis and Diastereoselective Structural Change of a Photochromic Transition Metal Complex, (η6-Spirobenzopyran)(tricarbonyl)chromium
Akira MiyashitaAtsushi IwamotoTomoya KuwayamaHiroaki ShitaraYoshio AokiMasafumi HiranoHiroyuki Nohira
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1997 Volume 26 Issue 10 Pages 965-966

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Abstract

Photochromic transition metal complexes, (η6-spirobenzopyran)Cr(CO)3, were synthesized and the structure was determined by an X-ray crystallographic and 1H NMR measurements. The ring formation during its synthesis and ring-closing reaction during and after UV irradiation proceeded diastereselectively to let chromium atom and oxygen atom of the pyran ring locate on the same side of the indoline ring.

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© 1997 The Chemical Society of Japan
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