CaC2 + 2H2O → HC≡CH + Ca(OH)2
HC≡CH + HC≡CH → H2C≡CH-C≡CH
Winyloaceton
H2C=CH-C≡CH + → H2C=CH-C=CH2
Cl
chlorobutadien–1,3
n-H2C=CH-C=CH2→—CH2-CH-C=CH2
Cl
Cl
Kauczuk-chloroprenowy
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2 HC≡CH + HC≡CH → H2C = CH – C≡CH Winyloacetylen H2C

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