%0 Generic %A Shi, Yong-Ling %A Shi, Min %D 2005 %T DABCO-Catalyzed Reaction of Allenic Esters and Ketones with Salicyl N-Tosylimines:  Synthesis of Highly Functionalized Chromenes %U https://acs.figshare.com/articles/dataset/DABCO_Catalyzed_Reaction_of_Allenic_Esters_and_Ketones_with_Salicyl_i_N_i_Tosylimines_Synthesis_of_Highly_Functionalized_Chromenes/3278656 %R 10.1021/ol051044l.s002 %2 https://acs.figshare.com/ndownloader/files/5116402 %K Allenic Esters %K chromene %K Salicyl N %K ethyl %K Chromene %K room temperature %K Synthesi %K dichloromethane %K Tosylimine %K penta %K Ketone %K Functionalized %K butadienoate %K tosylimine %K yield %K salicyl N %X DABCO-catalyzed reactions of salicyl N-tosylimines with ethyl 2,3-butadienoate and penta-3,4-dien-2-one proceed smoothly at room temperature in dichloromethane to give the corresponding chromenes in good to excellent yields. %I ACS Publications