Infrared intensities of pregn-4-ene-3,2o-dione derivatives

S. Holly, G. Jalsovszky, O. Egyed

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The IR absorption intensities of CO stretching bands of pregn-4-ene-3,2O-dione derivatives have been determined. The individual intensities of overlapping bands were calculated by fitting Gauss-Cauchy sum or product functions to the measured spectrum, and numerically integrating the band components obtained. The CO stretching intensity of the 2O-oxo group was found to change considerably upon acylation in position 17 or 21, and characteristically different intensities were obtained for the CO stretching bands of primary, secondary and tertiary acetoxy groups. The results can be utilized in structure elucidation.

Original languageEnglish
Pages (from-to)139-142
Number of pages4
JournalJournal of Molecular Structure
Volume60
Issue numberC
DOIs
Publication statusPublished - 1980

Fingerprint

Dione
Carbon Monoxide
Stretching
Infrared radiation
Derivatives
Acylation
acylation
products

ASJC Scopus subject areas

  • Structural Biology
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Materials Science (miscellaneous)
  • Atomic and Molecular Physics, and Optics

Cite this

Infrared intensities of pregn-4-ene-3,2o-dione derivatives. / Holly, S.; Jalsovszky, G.; Egyed, O.

In: Journal of Molecular Structure, Vol. 60, No. C, 1980, p. 139-142.

Research output: Contribution to journalArticle

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AB - The IR absorption intensities of CO stretching bands of pregn-4-ene-3,2O-dione derivatives have been determined. The individual intensities of overlapping bands were calculated by fitting Gauss-Cauchy sum or product functions to the measured spectrum, and numerically integrating the band components obtained. The CO stretching intensity of the 2O-oxo group was found to change considerably upon acylation in position 17 or 21, and characteristically different intensities were obtained for the CO stretching bands of primary, secondary and tertiary acetoxy groups. The results can be utilized in structure elucidation.

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