%0 Journal Article %T Improved method for preparation of dibenzocrown-containing 4H-pyran- 4-one and synthesis of merocyanine dyestuffs from it %A Poronik, Ye. %A Shandura, M. %A Tolmachev, A. %A Kovtun, Yu. %J Chemistry of Heterocyclic Compounds %V 45 %N 6 %P 666-671 %@ 0009-3122 %D 2009-09-23 %I Springer US %~ DeepDyve