Dichromium cage complexes of cyclotetra-, cyclopenta-, and cyclohexa-phosphoxane
Abstract
Metal-assisted assembly of cis-dimethylpiperidinophosphine oxide (DMP–P
O) units around chromium carbonyl at progressively higher temperatures affords dichromium complexes of cyclotetraphosphoxane (two isomers), cyclopentaphosphoxane, and ultimatlely, the novel cyclohexaphosphoxane.
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