Proton and infrared absorption spectra of seven peroxysterols of general structure 6&alkoxy-5,6&epidioxy-5~-5,6secocholestane-3/3,5-diol reveal low-field (6, 10.0-10.8) sharp one-proton singlets and associated sharp 3-330 cm-' absorption bands of the Sr-hydroxy group, intramolecularly hydrogen bonde
โฆ LIBER โฆ
Infrared and nuclear magnetic resonance of maleic anhydride copolymers and their half esters
โ Scribed by Eleanor L. Saier; L. Petrakis; L. R. Cousins; W. J. Heilman; J. F. Itzel
- Publisher
- John Wiley and Sons
- Year
- 1968
- Tongue
- English
- Weight
- 429 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0021-8995
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## Abstract A series of __m__โ and __p__โsubstituted phenyl benzoates, 2โthienoates, and 2โfuroates were prepared and their ^1^H and ^13^C nmr spectroscopic characteristics were examined. In general, good correlations were observed between the chemical shift values of protons and carbons of the acy