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Unformatted text preview: As in all S N 2 reactions, these syntheses proceed with inversion at a stereocenter . N C:-cyanide ion + C CH 3 CH 2 CH 3 H Br (R)-2-bromobutane C CH 2 CH 3 H CH 3 N C (S)-2-methylbutanenitrile Note: These synthetic reactions are limited to alkyl halides . Vinylic and aryl halides do not react readily by either the S N 1 or S N 2 mechanisms. C=C X vinylic halide X aryl halide...
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