Dolbier HW Solutions 220

Dolbier HW Solutions 220 - 214 ALKYNES 9.17 Three isomers...

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9.17 Three isomers have unbranched carbon chains: Next consider all the alkynes with a single methyl branch: One isomer has two methyl branches. None is possible with an ethyl branch. 9.18 ( a ) ( b ) ( c ) ( d ) ( e ) ( f ) ( g ) 9.19 ( a ) ( b ) ( c ) ( d ) ( e ) ( f ) 4-Ethyl-1-hexyne is CH 3 CH 2 CHCH 2 C CH 2 CH 3 CH 2,5-Dimethyl-3-hexyne is CH 3 CHC CH 3 CCHCH 3 CH 3 4-Octyne is CH 3 CH 2 CH 2 C CCH 2 CH 2 CH 3 3-Octyne is CH 3 CH 2 C CCH 2 CH 2 CH 2 CH 3 2-Octyne is CH 3 C CCH 2 CH 2 CH 2 CH 2 CH 3 1-Octyne is HC CCH 2 CH 2 CH 2 CH 2 CH 2 CH 3 CH 3 CC CH 3 CH 3 CCCH 3 is 2,2,5,5-tetramethyl-3-hexyne CH 3 CH 3 3 24 6 5 1 CH 3 CH 2 CH 2 CH 2 CHCH 2 CH 2 CH 2 CH 2 CH 3 is 4-butyl-2-nonyne C CCH 3 45 6 7 8 9 32 1 (Parent chain must contain the triple bond.) CCH 2 23 CH 2 C 1 13 is cyclotridecyne CH
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