The preparation of [U-14C] 2,4-dichlorophenol was formerly achieved by a Sandmeyer reaction with [U-14C] 2,4-dichloroaniline but this sensitive step gave unreproductive yields in our hands. We describe another route to [U-14C] 2,4-dichlorophenol by the oxidative chlorination of [U-14C] phenol. This shorter route is safer and gives satisfactory yields. The nature of the oxidizer is discussed.
Georgin,De Suzzoni-Dezard,Noel
p. 645 - 649
(2007/10/03)
Synthesis of 14C labeled flame retardants. 14C labeled tetrabromophthalic anhydride and tetrabromobisphenol A
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Susan,Ebert,Duncan
p. 579 - 589,580,582
(2007/10/06)
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