Efficient Synthesis of 1,4-Dihydro-2<i>H</i>-isoquinoline-3,5,8-triones via Cyclobutene Ring Expansion Peter Wipf Corey R. Hopkins 10.1021/jo990089v.s002 https://acs.figshare.com/articles/journal_contribution/Efficient_Synthesis_of_1_4-Dihydro-2_i_H_i_-isoquinoline-3_5_8-triones_via_Cyclobutene_Ring_Expansion/3717585 Efficient Synthesis of 1,4-Dihydro-2<i>H</i>-isoquinoline-3,5,8-triones via Cyclobutene Ring Expansion 1999-08-11 00:00:00 Efficient Synthesis isoquinoline Cyclobutene Ring Expansion Efficient Synthesis Dihydro