ðeɪ fˈaʊnd ðˌæɾə mˈɪkstʃɚɹ ʌv ˌæljʊmˈɪniəm iːθˈɑːksaɪd ænd ˈɛθɐnˌɑːl kʊd ɹᵻdˈuːs ˈældɪhˌaɪdz tə ðɛɹ ˈælkəhˌɑːlz.
They found that a mixture of aluminium ethoxide and ethanol could reduce aldehydes to their alcohols.