137469-75-1Relevant articles and documents
Synthesis of a Novel Tetracyclic Acridine. A Sulphoxide-based Route to the 1,2,3,4-Tetrahydrobenzophenanthroline Ring System
Kennedy, Michael G.,Moody, Christopher J.,Rees, Charles W.,Thomas, Robert
, p. 2499 - 2504 (2007/10/02)
The ambit of the classical acridine synthesis, via acid-mediated cyclisation of 2-oxodiphenylamines, has been extended to include a sulphoxide-containing precursor.This adaption produced the tetracyclic system of 1 in a single step from 25.