Carbon-13 NMR Spectroscopy

This organic chemistry video tutorial provides a basic introduction into carbon-13 NMR spectroscopy. It covers broadband decoupled C-NMR where all signals appear as singlets as well as proton-coupled C-13 NMR spectroscopy where the signals appear as doublets, triplets, and quartets based on the N+1 rule splitting pattern of the hydrogen atoms that are directly attached to the carbon atoms. It also discusses DEPT C-13 NMR spectroscopy, which is useful for identify C, CH, CH2, and CH3 carbons. This video explains how to assign the chemical shifts to different carbons given the C-13 NMR spectrum as well as proposing a structure given the molecule and using factors such as IHD and the number of signals present in the spectrum. Finally, this video discusses the different chemical shifts of functional groups such as alkyl groups like methyl, methylene, and methine groups as well as halogens, amines, alkenes, alkynes, ethers, alcohols, benzene rings, aldehydes, ketones, esters, and carboxylic acids.

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Alcohol Reactions – HBr, PBr3, & SOCl2:

Free Radical Reactions:

Reactions Summary:

IR Spectroscopy:

Mass Spectrometry:

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Proton NMR Spectroscopy:

Ethers and Epoxides:

Diels Alder Reaction:

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