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trace amount of dopamine and uric acid can be
detected and quantitatively analyzed even in the
presence of a large amount of ascorbic acid
[106]. Moreover, since the BDD electrode
surface is resistant to contamination with
adsorbed impurities, it can be used as an
electroanalytical detector [107].
Quite recently BDD microelectrodes were
developed, which enable
in vivo
pH monitoring
for stomach disorder diagnoses as well as
in
vivo
assessment of cancerous tumours [108].
6.12.2.2 Application to Organic
Electrosynthesis
Various anodic substitutions like fluorination,
methoxylation, acetoxylation and cyanation of
aromatic compounds, heterocycles and sulfides
have been achieved so far.
Kolbe electrolysis was also investigated using a
BDD anode [109]. Quite recently it was
demonstrated that a BDD anode is highly
effective for regioselective homocoupling of
substituted phenols to provide biphenols, as
shown in
Eq. 6.30
[110]. BDD electrodes are
also superior anodes for the generation of
alkoxy radicals from alcohols. Accordingly,
anodic 1,2-dimethoxylation of isoeugenol has
been realized under microflow conditions [111].
Inagi and co-workers have achieved parallel
electrochemical reactions of an alternating
copolymer
of
9-fluorenol
and
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