Production of alkane derivatives from alkane, especially methanol from methane, involves oxidative reaction with sulfur trioxide to form alkyl sulfate, reaction with auxiliary acid and separation of the resulting ester

摘要

A method for the production of alkane derivatives from alkanes by reaction with sulfur trioxide involves further reaction of the resulting alkyl sulfate with an auxiliary acid followed by separation of the resulting alkyl ester of the auxiliary acid. A method for the production of alkane derivatives (I) involves: (a) at least partial conversion of the alkane into alkyl sulfate in a super-acid solution containing a catalyst and a sulfur trioxide-containing oxidizing agent, (b) addition of an auxiliary acid (II) to form an alkyl ester of the auxiliary acid from at least part of the alkyl sulfate (using an auxiliary acid (II) with alkyl esters which can be separated from the mixture) and (c) at least partial separation of the ester from the solution.