PREPARATION AND INVESTIGATION OF THERMOTROPIC LIQUID-CRYSTALS LABELEDBY STABLE ISOTOPES - I - PREPARATION OF 4'-N-HEPTYL-BIPHENYL-4-CARBOXYLIC ACID-D(12)

Citation
K. Fodorcsorba et al., PREPARATION AND INVESTIGATION OF THERMOTROPIC LIQUID-CRYSTALS LABELEDBY STABLE ISOTOPES - I - PREPARATION OF 4'-N-HEPTYL-BIPHENYL-4-CARBOXYLIC ACID-D(12), Magyar kemiai folyoirat, 104(9), 1998, pp. 349-353
Citations number
9
Categorie Soggetti
Chemistry
Journal title
ISSN journal
14189933
Volume
104
Issue
9
Year of publication
1998
Pages
349 - 353
Database
ISI
SICI code
1418-9933(1998)104:9<349:PAIOTL>2.0.ZU;2-7
Abstract
A method has been developed for the synthesis of 4'-n-heptylbiphenyl-4 -carboxylic acid-d(12). The possibilities how to retain the deuterium labelling of the starting biphenyl-d(10) and that of labelling in new positions of the above molecule in the synthetic process were studied. This procedure offers the preparation of the labelled molecule in lar ger scale for neutronscattering measurements. Structures and deuterium contents of all the intermediates and the final products were checked by IR, H-1 NMR and mass spectroscopy.