A short multigram process for the preparation of the analgesic compound SCP-123 (4) and its sodium salt has been developed. ... The recent discovery that the analgesic properties of the saccharin derivative of acetaminophen, SCP-1 (3), possess a potency equal to that of the properties of acetaminophen, with significantly diminished hepatotoxicity, has prompted an extensive investigation into this class of compounds as a new generation of analgesic drugs.(8-12) The lead ...