Oxo osmium(VIII) complexes in oxidation: crystal structures of OsO4·nmo (nmo = N-methylmorpholine N-oxide) and OsO4·nmm (nmm = N-methylmorpholine), and use of cis-[OsO4(OH)2]2- as an oxidation catalyst
Abstract
The new complexes OsO
4
·nmo
(nmo = N-methylmorpholine N-oxide) and
OsO
4
·nmm
(nmm = N-methylmorpholine) have been made, their
crystal structures determined, and their possible involvement in the
catalysed dihydroxylation of alkenes considered. The use of
cis-[OsO
4
(OH)
2
]
2-
as a
catalyst for the oxidation of alcohols, aldehydes and alkyl halides to
carboxylic acids with [Fe(CN)
6
]
3-
and other
co-oxidants and also for the cleavage and dihydroxylation of alkenes
with [Fe(CN)
6
]
3-
has been investigated.
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