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Unformatted text preview: (2) 1,5-Hexadiyne (C 6 H 8 ) served as the starting material in the synthesis of an unsaturated carboxylic acid [ Tetrahedron Lett . 2004 , 46 , 3761]. Write a structure for 1,5-hexadiyne. tert-butylethylene 1,5-hexadiyne c. ( ________ / 5) Consider the transformation below which was reported recently by chemists at the University of Kansas [ Org. Lett . 2004 , 6 , 1205]. Assign systematic (IUPAC) names to each compound. Cl Name: d. ( ________ / 4) 4-Octyne (structure below) was utilized as a reactant in a recent study of the platinum catalyzed addition of alcohols to the triple bond [ Tetrahedron Lett . 2004 , 45 , 3787]. (2) Write a structure for a weakly acidic isomer of 4-octyne. (2) Write a structure for cyclic structural isomer of 4-octyne. CH 3 CH 2 CH 2 C CCH 2 CH 2 CH 3 4-octyne acidic isomer cyclic isomer...
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