... Please enable JavaScript to use all the features on this page. Tetrahedron Letters. Volume 45, Issue 12, 15 March 2004, Pages 2585–2588. Cover image Cover image. ... February 2004. Abstract. A new methodology for benzoannulation has been developed by using double Claisen rearrangement followed by a one-pot ring-closing metathesis and DDQ oxidation sequence. ... Academic, New York (1982). (d) S. Kotha, RJ Stoodley; For related work see: Bioorg. Med. ...