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Use of 13C isotope shifts for assignment of deuterium labelling sites in 1,3-diphenylpropan-1-one

✍ Scribed by Raphael Bar; Yoel Sasson; Jochanan Blum

Publisher: John Wiley and Sons
Year: 1984
Tongue: English
Weight: 282 KB
Volume: 22
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1270220909

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✦ Synopsis

C NMR spectroscopy was used for the unequivocal analysis of the mixture of products of RuCI,[P(C,H,),],-~~ysstalysed transfer deuteriation of benzylideneacetophenone by (a) DCOONa/H,O, (b) HCOONa/D,O and (c) DCOONa/D,O. Signal assignments in the -C spectra were obtained mainly from the deuterium-induced 13C isotope shifts. The geminal "G'H sbift of the p-carbon of deuteriated 1,f-diphenylpropan-1-one is almost twice that for the a-carbon.

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