... Tetrahedron Letters. Volume 51, Issue 30, 28 July 2010, Pages 3876–3878. ... substrate and therefore heated compound 33 at 210 °C for 2 h in a microwave reactor in the presence of phosphoric acid resulting in complete transformation of compound 33 to 5-hydroxyquinoline 30. ...
[Cross, R. Matthew; Namelikonda, Niranjan K.; Mutka, Tina S.; Luong, Lisa; Kyle, Dennis E.; Manetsch, Roman Journal of Medicinal Chemistry, 2011 , vol. 54, # 24 p. 8321 - 8327]