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Alkyne Hydroboration Oxidation Reaction and Mechanism

https://Leah4sci.com/Alkyne presents: Alkyne Hydroboration Oxidation: Reaction and Step-by-Step Mechanism using BH3, B2H6, Sia2BH or 9-BBN 📺Watch Next: Chain Elongation - Terminal Alkynes    • Chain Elongation via Alkylation of Te...   Need help with Orgo? Download my free guide ’10 Secrets to Acing Organic Chemistry’ HERE: https://leah4sci.com/orgo-ebook/ This video shows you the reaction and mechanism for the hydroboration oxidation of alkynes, in which an alkyne reacts with a boron-containing reagent, followed by NaOH and H2O2, to form either an aldehyde or ketone product at the less substituted, anti-Markovnikov position. You’ll learn the step-by-step alkyne hydroboration oxidation mechanism, including Keto Enol Tautomerization to isomerize an unstable enol intermediate in a basic environment. Finally you’ll learn about the regioselectivity of the reaction and compare the products when starting with terminal, symmetric or asymmetric internal alkynes. ↪ Links & Resources Mentioned In This Video ↩ ▸Alkyne Reaction Series + Cheat Sheet https://Leah4sci.com/alkyne ▸Alkene Hydroboration Oxidation    • Hydroboration Oxidation of Alkenes Re...   ▸Alkene Reaction Shortcuts    • Alkene Reaction Shortcuts and Product...   ▸Alkene Reaction Series + Cheat Sheet https://Leah4sci.com/alkene ▸Keto Enol Tautomerization https://Leah4sci.com/KET ▸Markovnikov’s Rule https://Leah4sci.com/markovnikov - - - - - - - - - - - - - - - - - - - - - - - ⏱ In this video: [0:19] Overview of Alkyne Hydroboration [0:58] Review of Alkene Hydroboration [2:31] Boron Reagents [4:44] Mechanism for Alkyne Hydroboration [9:50] Regioselectivity - - - - - - - - - - - - - - - - - - - - - - - Follow along with your semester by using my Orgo Syllabus Companion: https://leah4sci.com/syllabus For more in-depth review including practice problems and explanations, come join my online membership site, the Organic Chemistry Study Hall: https://leah4sci.com/join ❓Questions? Ask me here: https://Leah4sci.com/contact 👩‍🏫 For private online tutoring visit my website: https://leah4sci.com/organic-chemistry Let’s connect:▸Instagram:   / leah4sci   ▸Facebook:   / leah4sci   ▸Twitter:   / leah4sci   ▸Pinterest:   / leah4sci   🔔 Subscribe to my channel so you don’t miss out on any new videos 🔔 https://leah4sci.com/youtube 🩺💉 My MCAT YouTube Channel: https://leah4sci.com/MCATyoutube 💉🩺