## Abstract Complete sets of ^1^H chemical shifts and spin coupling constants of testosterone and 17Ξ±βmethyltestosterone were determined by analysis of the 600 MHz ^1^H NMR spectra. The spin coupling constants of the two compounds have similar values, but the substitution of a methyl group at the 1
Complete Assignment of 13 C NMR Spectra and Determination of Orientational Order Parameter for Antiferroelectric Liquid-Crystalline MHPOBC
β Scribed by Nakai, Toshihito; Fujimori, Hiroki; Kuwahara, Daisuke; Miyajima, Seiichi
- Book ID
- 125999821
- Publisher
- American Chemical Society
- Year
- 1999
- Tongue
- English
- Weight
- 161 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0022-3654
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## Abstract This article reports the structural elucidation by IR, UV and MS spectroscopic data along with ^1^H and ^13^C NMR chemical shift assignments of two benzophenones isolated from the fruit pericarp of **__Garcinia brasiliensis__** Mart. (Clusiaceae): garciniaphenone, (1__R__,5__S__,7__S__)
The spinning sidebands observed in the 13 C MAS NMR spectra (Fig. 1a), oriented in a nematic phase and in the solid state of cis,cis-mucononitrile oriented in liquid-crystalline media and of are presented. As a consequence of the carbon-13 chemicalthe neat sample in the solid state are studied. Ther