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chlorine-free and highly pure
tetramethylammonium hydroxide in Japan (
Eq.
8.11
). In order to avoid contamination of
chlorine in the product, anodically generated
chlorine gas is removed completely from the
dialysis system.
(8.11)
8.2.5.5 Other Examples
BASF manufactures
2,5-dimethoxy-2,5-dihydrofuran and
dihydrophthalic acid from furan and
o
-phthalic
acid, respectively (
Eq. 8.12
). They also produce
acetoin by anodic oxidation of cyclohexanone
with an iodine mediator.
(8.12)
Furthermore, SNPF in France produces
anti-inflammatory phenoprofen by the cathodic
reduction of
m
-(α-chloroethyl)phenyl
phenylether in the presence of carbon dioxide
(
Eq. 8.13
) [14].
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