sequences of reactions?\ 1\ II\ III\ propyne,

NaNH_(2)

\ 1-butyne,

NaNH_(2)

\ propyne,

NaNH_(2)

\ 1-bromopentane\ 1-bromobutane\ 1-bromopentane\ aqueous

H_(2)SO_(4)

, cat.

HgSO_(4)

\

H_(2)

, Lindlar's cat.\

H_(2),Ni_(2)B(P-2)

\ IV\ V\ 1-butyne,

NaNH_(2)

\ 1-butyne,

NaNH_(2)

\ 1-bromobutane\ 1-bromobutane\

NaNH_(2),H_(2)O

\

H_(2),P(d)/(C)

\ I\ II\ III\ IV\ V

To synthesize 3-octyne, you could use bromination and elimination from an intermedate creace using sequences of reactions? 1) propyne, NaNH2 1) 1-butyne, NaNH2 1) propyne, NaNH2 2) 1-bromopentane 2) 1-bromobutane 2) 1-bromopentane 3) aqueous H2SO4, cat. HgSO4 3) H2, Lindlar's cat. 3) H2,Ni2B(P2) IV V 1) 1-butyne, NaNH2 1) 1-butyne, NaNH2 2) 1-bromobutane 2) 1 -bromobutane 3) NaNH2,H2O 3) H2,Pd/C To synthesize 3-octyne, you could use bromination and elimination from an intermedate creace using sequences of reactions? 1) propyne, NaNH2 1) 1-butyne, NaNH2 1) propyne, NaNH2 2) 1-bromopentane 2) 1-bromobutane 2) 1-bromopentane 3) aqueous H2SO4, cat. HgSO4 3) H2, Lindlar's cat. 3) H2,Ni2B(P2) IV V 1) 1-butyne, NaNH2 1) 1-butyne, NaNH2 2) 1-bromobutane 2) 1 -bromobutane 3) NaNH2,H2O 3) H2,Pd/C