In contrast to n-BuLi, MeLi reacts only very slowly with THF at room temperature, and solutions in ether are indefinitely stable.
ɪn kˈɑːntɹæst tʊ ˈɛnbˈuː lˈaɪ, mˌiː lˈaɪ ɹɪˈækts ˈoʊnli vˈɛɹi slˈoʊli wɪð tˌiːˌeɪtʃˈɛf æt ɹˈuːm tˈɛmpɹɪtʃɚ, ænd səlˈuːʃənz ɪn ˈiːθɚɹ ɑːɹ ɪndˈɛfɪnətli stˈeɪbəl.