Luxmivarma, R.Ganga, V.B.Suresh, E.2012-01-132012-01-132005Tetrahedron Letters 46 (2005) 3061–3063http://hdl.handle.net/1968424/528enCalixarenes; Diels–AlderDiels–Alder reactions of bis(spirodienone) derivatives of calix[4]arene with acetylenes highly regio- and stereoselective synthesis of bisbicyclo[2.2.2]octenone derivativesArticle