... Tetrahedron Letters. Volume 44, Issue 7, 10 February 2003, Pages 1511–1513. Cover image Cover image. An efficient synthesis of 6-hydroxymelatonin, a human metabolite of melatonin. ... 7. M Julia, P Manoury, C Voillaume; Bull. Soc. Chim., 5 (1965), pp. 1417–1423. ...