13C NMR Chemical Shifts. A Single Rule To Determine the Conformation of Calixarenes

DOI: 10.1021/jo00010a036

Source and publish data:

Journal of Organic Chemistry p. 3372 - 3376 (1991)

Update date:2022-08-02

Topics:

Authors:

Jaime, Carlos

Mendoza, Javier de

Prados, Pilar

Nieto, Pedro M.

Sanchez, Concha

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Article abstract of DOI:10.1021/jo00010a036

The conformations of calix<4>arenes can be deduced from the 13C NMR chemical shift of the methylene groups connecting each pair of aromatic rings.Inspection of 24 cases revealed that when the phenol rings beside each methylene are in a syn orientation (i.

Full text of DOI:10.1021/jo00010a036

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