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Glossary of alkynes

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alkyne + X2
C=C + X2 -> X X
X X C-C
X X
alkene + X2
H H
C -C + KOH(alc)->
X X

H
C=C + NaNH2--> alkyne
X
free radical with vinyl radical
pero->rad
rad + Cl:CCl3->RCHCH2-CCl3
RCH-CH2-CCl3 +Cl:CCl3->
RCH-CH2-CCl3 + CCl3
Cl
alkyne + YZ
C=C + YZ -> Y Z
Y Z C- C
Y Z
alkyne + HX
C=C + HX -> H X
H X C-C
H X
dehydrohalogenation of RX
alkene + X2 + KOH + NaNH2
free radical with alkene
pero--> rad
rad + H:Br -> Rad:H + Br
Br + alkene -> C-C
Br
C-C + H:Br -> C - C + Br
Br Br H
alkyne + Na or Li, NH3
anti alkene
alkyne + water + H2SO4,HgSO4
CH2-C=O aldehyde

if previously C alkyne
it will be ketone
alkyne + LiNH2
alkyne:Li + RX --> alkyne-R + LiX
R must be 1ยบ
CH3-alkyne-H + LiNH2 + ether
CH3-CH-alkyne-Li + NH2
alkyne + H2, lindlar catalyst
syn alkene

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