PROCESS FOR PRODUCING PHENOL DERIVATIVES AND PHARMACEUTICAL PROUDCTS CONTAINING SUCH COMPOUNDS

摘要

Phenol derivatives of use in promoting formation of nerve growth factor are of the general formula (Ia) or (Ib) wherein, each R<1> is hydrogen or a hydroxy-protecting group; either R<2> is alkyl, cycloalkyl, cycloalkyl condensed with aryl, aryl, aralkyl or heterocyclic; and R<3> is hydrogen or a group R<2>; or R<2> and R<3>, with the nitrogen atom to which they are attached, represent a cyclic amino group; m is 1 to 6; n is 1 to 3, provided that when n is 2 or 3 then two adjacent groups R<1> may jointly form a hydroxy-protecting group; p is 0 or 1 to 3; q is 0 or 1 to 3; and the bond marked with a dashed line may be a single bond or a double bond); or a pharmaceutically acceptable salt thereof.