19.6 Reduction of Aldehydes and Ketones | Organic Chemistry

Chad provides a comprehensive lesson on the reduction of aldehydes and ketones. He begins with hydride reduction using either sodium borohydride (NaBH4) or lithium aluminum hydride (LiAlH4). He explains the difference in reactivity between the two, the difference in reaction conditions, and the mechanism of reduction. The lesson is concluded with a novel complete reduction (complete deoxygenation) of aldehydes and ketones by conversion to thioacetals and reduction with hydrogen and Raney nickel.

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00:00 Lesson Introduction
00:41 Introduction to Hydride Reduction
02:23 Reduction Using NaBH4 and LiAlH4 (NaBH4 vs LiAlH4)
03:52 NaBH4 Mechanism of Ketone Reduction
09:17 Reduction of Aldehydes and Ketones via Thioacetals

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