Napisz 3 równania reakcji otrzymywania pen-2-enu.
Napisz reakcje abdycji dla pent-1-enu z:
-bromem
-bromo wodorem
-wodą
-wodorem
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otrzymywanie pent - 2 - enu:
CH3-CH(Br)-CH(Br) - CH2 - CH3 + Zn -> CH3-CH=CH - CH2 - CH3 + ZnBr2
CH3-CH(OH) - CH2 - CH2 - CH3 -> CH3-CH=CH - CH2 - CH3 + H2O
H₃C-C≡C-CH₂-CH₃ + H₂ -> CH3-CH=CH - CH2 - CH3
addycja dla pent-1-enu z:
-bromem
H2C=CH-CH2-CH2-CH3 + Br2 -> CH2(Br) - CH(Br) - CH2 - CH2 - CH3
-bromo wodorem:
H2C=CH-CH2-CH2-CH3 + HBr -> CH3 - CH(Br) - CH2 - CH2 - CH3
-wodą
H2C=CH-CH2-CH2-CH3 + H20 -> CH3 - CH(OH) - CH2 - CH2 - CH3
-wodorem
H2C=CH-CH2-CH2-CH3 + H2 -> CH3 - CH2 - CH2 - CH2 - CH3
1.
H₃C-C≡C-CH₂-CH₃ + H₂ ⇒ H₃C-CH=CH-CH₂-CH₃
H₃C-CH₂-CH(OH)-CH₂-CH₃ ⇒[Al₂O₃, T] ⇒ H₃C-CH=CH-CH₂-CH₃ + H₂O
CH₃-CH(Cl)-CH(Cl)-CH₂-CH₃ + 2 Na ⇒ H₃C-CH=CH-CH₂-CH₃ + 2 NaCl
2.
H₂C=CH-CH₂-CH₂-CH₃ + Br₂ ⇒ H₂(Br)C-CH(Br)-CH₂-CH₂-CH₃
H₂C=CH-CH₂-CH₂-CH₃ + HBr ⇒ H₃C-CH(Br)-CH₂-CH₂-CH₃
H₂C=CH-CH₂-CH₂-CH₃ + H₂O ⇒ H₃C-CH(OH)-CH₂-CH₂-CH₃
H₂C=CH-CH₂-CH₂-CH₃ + H₂ ⇒ H₃C-CH₂-CH₂-CH₂-CH₃