A simple efficient procedure for the stereoselective synthesis of trans-2,3,3a,4- tetrahydro-3-aryl-2-(4-carboxyphenyl)1benzopyrano4,3-cpyrazoles and their 1benzothiopyrano analogues - Lévai, Albert (Acta chimica slovenica, 2009)
Keywords: heterociklične spojine; kemijske reakcije; NMR spektroskopija; organska kemija; pirazolini; sinteza