What steps were made in synthesis

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Write a paper on an article and it shows many different compounds and need a better understanding of where each originated and what steps were made in their synthesis.

When (4R,4S)-hydroxy-4-(4'-nitrophenyl)butan-2-one is in methylene chloride at -78 degrees celsius and diethylaminosulfur triflouride was added it yielded (4R,4S)-flouro-4-(4'-nitrophenyl)butan-2-one.

Reference no: EM13129459

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