%0 Journal Article %A Takahashi, Kazunori %A Honda, Toshio %D 2010 %T Diastereoselective Syntheses of Functionalized Five-Membered Carbocycles and Heterocycles by a SmI2-Promoted Intramolecular Coupling of Bromoalkynes and α,β-Unsaturated Esters %U https://acs.figshare.com/articles/journal_contribution/Diastereoselective_Syntheses_of_Functionalized_Five_Membered_Carbocycles_and_Heterocycles_by_a_SmI_sub_2_sub_Promoted_Intramolecular_Coupling_of_Bromoalkynes_and_Unsaturated_Esters/2756254 %R 10.1021/ol101034s.s002 %2 https://acs.figshare.com/ndownloader/files/4448746 %K esters %K functionalized %K bromoalkyne %K intramolecular %K yield %K Ester %K Carbocycle %K Heterocycle %K diastereoselectivitie %K chemical modification %K vinyl bromides %K SmI %K carbocycle %K heterocycle %K intermediate %K Functionalized %K Diastereoselective Syntheses %K Bromoalkyne %K Intramolecular %K Unsaturated %X An intramolecular coupling of bromoalkynes with α,β-unsaturated esters afforded functionalized five-membered carbocycles and heterocycles with high diastereoselectivities in excellent yields. The vinyl bromides newly generated as the products serve as adequate intermediates for further chemical modification. %I ACS Publications