Communication
ChemComm
Table 2 Effect on rate of hydroboration of acetophenone by changing
the catalyst
coordination of lithium plays a part though hydride transfer
occurs from aluminium, signifying a bimetallic process.
The authors thank the EPSRC (grant, EP/N011384/1 and DTP
award to V. A. P.) for funding, and Craig Irving and Alexander
Clunie for assistance with analytical facilities. The data set
Pre-catalyst
X-ray structure
DOSY structure
% yield at 4 h
1
2
3
4
5
6
CIP
CIP
CIP
CIP
SSIP
SSIP
CIP
CIP
CIP
CIP
CIP
CIP
80
60
50
29
55
15
7
CIP
CIP
57
Conflicts of interest
1a
LiAlH4
CIP
—
CIP
—
81b
94b
There are no conflicts of interest to declare.
a
1c
4c
CIP
CIP
CIP
CIP
95d
99d
Notes and references
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a
b
c
ane. 10 mol% pre-catalyst. Yield obtained within 0.25 h. Catalysis
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d
Yield obtained within 2 h.
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´
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In conclusion, this first application of anionic aluminates
for hydroboration of aldehydes and ketones establishes that
Chem. Commun.
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