Question

hi friends tell me meaning of hoffmans rule​

Answer 1

Answer:

Hofmann rule is an empirical rule used to predict regioselectivity of 1,2-elimination reactions occurring via E1cB mechanism. It states that, in a regioselective E1cB reaction, the major product is the less stable alkene, i.e., the alkene with the less highly substituted double bond. For example see Hofmann elimination.

Answer 2

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Hofmann Rule

Hofmann rule is an empirical rule used to predict regioselectivity of 1,2-elimination reactions occurring via E1cB mechanism. It states that, in a regioselective E1cB reaction, the major product is the less stable alkene, i.e., the alkene with the less highly substituted double bond.

Hofmann elimination. ... With asymmetrical amines, the major alkene product is the least substituted and generally the least stable, an observation known as the Hofmann rule. This is in direct contrast to normal elimination reactions where the more substituted, stable product is dominant