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The stereochemistry of the 6-membered ring of cedranone (1980)

Rodríguez, Mario ; Bertrán, José Fernández

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 13 (1980), S. 263-265

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ISSN: 0030-4921

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Evidence from the coupling constants and solvent shifts of the protons in cedranone rules out the boat and chair conformations of the cyclohexanone ring. Linear correlation of the solvent shifts of the C-15 methyl protons of cedranone with those of the α-methyl groups of fenchone indicates a nearly planar conformation of the cedranone ring. Site factor analysis of the ASIS effect of the methyl protons of cedranone provides conclusive evidence of a quasi-chair conformation of the 6-membered ring.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/mrc.1270130408

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