| abstract |
A phenol compound represented by formula (i) is described: (See Formula) wherein R0 represents H, alkyl or alkyloxy; R1 represents alkyl; R2 represents alkyl or alkyloxy; OR3 represents OH; R4 represents H; lower alkyl or acyl, each of the above substituents may be substituted; W represents 0, 5 or HR7; wherein R7 represents H, alkyl, aryl, OH or alkyloxy, a group of the formula (2): represents an amino which may be a mono- or di-substituted heterocyclic group containing an H atom, or a pharmaceutically acceptable salt thereof, and a procedure for preparing it. |