Alkanes or alkyl groups can also be prepared directly from alkyl halides in the Corey–House–Posner–Whitesides reaction.
ˈælkeɪnz ɔːɹ ˈælkaɪl ɡɹˈuːps kæn ˈɔːlsoʊ biː pɹɪpˈɛɹd dᵻɹˈɛktli fɹʌm ˈælkaɪl hˈælaɪdz ɪnðə kˈɔːɹi hˈaʊs pˈoʊznɚ wˈaɪtsaɪdz ɹɪˈækʃən.