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Preparation and spectroscopic (UV and IR) properties of some tricarbonyl(thiophene)chromium complexes

✍ Scribed by Marino Novi; Giuseppe Guanti; Carlo Dell'Erba

Book ID
112123581
Publisher
Journal of Heterocyclic Chemistry
Year
1975
Tongue
English
Weight
246 KB
Volume
12
Category
Article
ISSN
0022-152X

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In the 2H-chromene series, complexation of the aromatic ring with chromium tricarbonyl, under thermal conditions, is totally regioselective even when aromatic substituents are introduced on the pyran ring. The complexation stabilizes the open form of these photochromic compounds and reduces the ther