10.1021/ol016200c.s001 Michael Harmata Michael Harmata Paitoon Rashatasakhon Paitoon Rashatasakhon A 4 + 3 Cycloaddition Approach to the Synthesis of Spatol. A Formal Total Synthesis of Racemic Spatol American Chemical Society 2001 Racemic Spatol cyclopentenyl cation cyclopentadiene 3 cycloaddition racemic spatol synthesis 3 Cycloaddition Approach Formal rearrangement Synthesi 2001-07-07 00:00:00 Dataset https://acs.figshare.com/articles/dataset/A_4_3_Cycloaddition_Approach_to_the_Synthesis_of_Spatol_A_Formal_Total_Synthesis_of_Racemic_Spatol/3739611 A formal total synthesis of racemic spatol is presented. The key steps involved a 4 + 3 cycloaddition of a halogenated cyclopentenyl cation to cyclopentadiene and a quasi-Favorskii rearrangement.