Identifying the carbon from C13 NMR spectrum

Thread starter Anmol Dubey
Start date Apr 26, 2022
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Carbon Chemistry Nmr Organic Organic chemistry Spectrum

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The discussion centers on the molecule p-phenetidine, highlighting the chemical shifts observed in its NMR spectrum. Aromatic carbon atoms are noted to appear very upfield, while carbon atoms bonded to oxygen (C-O) and nitrogen (C-N) are positioned more downfield, though still slightly upfield compared to carbon-carbon (C-C) bonds. The conversation concludes with a participant expressing gratitude for the clarification and confirming their understanding of the topic.

Apr 26, 2022

Anmol Dubey

TL;DR: I am having a hard time identifying the carbons from the CNMR spectrum. I have identified the molecule and the number of peaks.

The molecule is p-phenetidine

Last edited: Apr 26, 2022

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Apr 26, 2022

Mayhem

In general: aromatic Cs are very upfield, C-O and C-N carbons are more downfield, but slightly more upfield than C-C carbons.

Apr 27, 2022

Anmol Dubey

Mayhem said:

In general: aromatic Cs are very upfield, C-O and C-N carbons are more downfield, but slightly more upfield than C-C carbons.

Oh ok thank you I have figured it out now

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