Alkyne Reactions
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7 Terms
1
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1) 2 H2
2) Pt/Pd/Ni
alkyne to alkane
complete reduction
2
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H2/Lindlar's
alkyne to alkene (adds 2 Hs to triple bond which makes it double bond)
- CIS!
3
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1) Na or Li
2) NH3
alkyne to alkene (adds 2 Hs to triple bond which makes it double bond)
-TRANS!
4
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X2
adds 2 X's to most sub. C (both go on that C!)
5
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1) (sia)2 BH
2) H2O2, NaOH
OH to least sub. C on alkyne then turn to =O
- makes aldehyde
hydroboration
- anti-Mark
- taut
6
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1)H2SO4
2) HgSO4, H2O
OH to most sub. C on alkyne then turn to =O
- makes ketone
oxymercuration
P-taut
7
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NaNH2
adds (-) to end of chain
Note 
Flashcards (25)