03 Unsaturated Compounds Worksheet

03 Unsaturated Compounds Worksheet - (2) 1,5-Hexadiyne (C 6...

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CHEMISTRY 225 UNSATURATED COMPOUNDS WORKSHEET a. ( ________ / 11) Bombykol, the sex attractant of the male silkworm moth Bombyx mori was named Molecule of the Week for the week of April 5, 2004 at the chemistry.org website. A jagged line formula for bombykol is shown below. OH bombykol H 2 , catalyst (3) Complete the hydrogenation reaction of bombykol (assume excess hydrogen). (6) Directly on the structure of bombykol: -Write in all vinylic hydrogens. Label these as H v . - Draw arrows to all covalent bonds about which there is free rotation. -Circle the double bond with the E - configuration. (2) Write a jagged-line formula for a geometric isomer of bombykol. bombykol stereoisomer b. ( ________ / 4) (2) tert -Butylethylene served as a reactant in a recent study of rhodium catalyzed additions to double bonds [ Org. Lett . 2004 , 6 , 1687]. Write a structure for tert -butylethylene.
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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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03 Unsaturated Compounds Worksheet - (2) 1,5-Hexadiyne (C 6...

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