Vyurts reaksiyasi

Galogenalkanlarning natriy metalli bilan o‘zaro ta’siri orqali alkanlarni laboratoriyada olish usuli; jarayon uglerod skeletining ikki baravar ko‘payishi bilan boradi: 2CH3–CH2Br + 2Na → CH3–CH2–CH2–CH3 + 2NaBr.