Hofmann Elimination...

JEE Main Sample Questions › Organic Chemistry questions › Hofmann Elimination...

1. Why does 2-dimethyl sulphonium butane in a base( ethoxide in ethanol) produces 74% 1-butene (hofmann) and 26% 2-butene (Saytzeff) ??????????????
2. Why does 2- trimethyl ammonium butane in base(hydroxide in water) produces 95% 1-butene(hofmann) and 5% 2-butene (saytzeff) ???????

#Chemistry #Organic Chemistry

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Manish Shankar ·2013-08-07 00:03:58

Basically its because the base is not able to reach the secondary hydrogen because of crowd. So it abstracts hydrogen from primary carbon.

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