Objective:To study the synthesis, anti-inflammatory and analgesic activity of the benzene ring-substituted derivatives of Ilicifolius alkaloids A (4-Hydroxy-2-benzoxazolone, HBOA) and search for novel Nonsteroidal Anti-inflammato-ry Drugs with better efficacy.
Methods:HBOA, obtained from 2-nitroresorcinol with reduction and subsequent condensation with urea by one-pot-way, reacted with corresponding electrophilic reagents to yield target compounds TC-2-TC-4, of which the acylated ones were con...