Propynyllithium is an organolithium compound with the chemical formula LiC 2CH 3. It is a white solid that is soluble in 1,2-dimethoxyethane, and tetrahydrofuran...

block for organic synthesis. Deprotonation with n-butyllithium gives propynyllithium. This nucleophilic reagent adds to carbonyl groups, producing alcohols...

reacts with CO2 to give lithium pentanoate: C4H9Li + CO2 → C4H9CO2Li Propynyllithium, an organometallic compound. Bernier, David. "Some useful pKa values"...

ester 5 was treated with (5-methylcyclopent-1-en-1-yl)lithium and propynyllithium. The two nucleophilic attacks occurred predominantly with trans addition...