Process for the preparation of polyfunctional organic compounds with at least one tert. butyl ether group or one tert. butyl ester group

摘要

For the production of polyfunctional organic compounds with at least one by a tert. Butyl group selectively blocked functional group of medium nucleophilia, a corresponding compound with at least one free group of medium nucleophilia is dissolved in a solution of concentrated sulfuric acid in an organic ether and the solution obtained is mixed with excess liquid isobutene at a temperature of at most 5 ° C.