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3
(
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synthesis: (i) reductive dehalogenation of a,a-difluoro- and
a,a,a-trifluoro substituted alkyl bromide and iodide, (ii)
defluorination of fluorinated compounds, (iii) reductive
cleavage of chalcogen–chalcogen bond, and (iv) reduction
of high valent transition metal species.
. B u¨ rger, H.; Moritz, P. Organometallics 1993, 12, 4930.
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4
5
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6
7
8
9
6
7
10. Although the reaction of a-bromoacetophenone with
TDAE was carried out in the presence of a radical
inhibitor, the yield of the diketone did not decrease.