Question

Predict the major product for the following reaction. OCH3 fuming H2SO4 OCH3 Осня OCH3 осHз SO2H SO3H SO3H SO3H SO3H IV Ą

Answer 1

Fuming 1504 Anisole on noch bulphonahon with farming th504 gives Parq- isomer a major product ome gocep is of directing but at Para Posinca there is no stezic bindrance and attack of electro- phile easily occurs op other hand Ortho Posibico is slerically hindered and attack of electrophile not easily occurs. Thus Para-isomer Lormed as major product