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These previous researches encouraged us to develop a facile method for preparation of bromoallenes under metal-free, easy operation, good yield and without toxic halogenating reagent conditions

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These previous researches encouraged us to develop a facile method for the preparation of bromoallenes under the metal-free conditions without toxic halogenating reagent,which are easy operated and have a good yield.
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under metal-free, easy operation, good yield and without toxic halogenating reagent conditions
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