1.

Predict all the alkenes that would be formed by dehydrohalogenation of the following halides with NaOEt in ethanol and identify the major product obtained in each case. I-bromo-1-methycyclohexane.

Answer»

Solution :According to Saytzeff rule, ALKYL halides undergo dehydrohalogenation to give more highly substituted alkene as the major PRODUCT. Thus, the HALIDE (1),(2) and (3) undergo dehydrohalogenation in the PRESENCE of `NaOEt//EtOH` to YIELD 3,4,4-trimethylpent-2-ene(III) and 1-methycyclohexana (V) repectively as more products.
(iii)


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