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13C NMR spectra of some o-carbonyl derivatives of naphthols

✍ Scribed by G. Rażniewska-Lazȩcka; A. Da̧mbska; A. Janowski

Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
285 KB
Volume
24
Category
Article
ISSN
0749-1581

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✦ Synopsis

The 13CNMR spectra were obtained at 25.2MHz on a Varian XL-100-15 spectrometer, with minor hardware and software modifications to allow phase cycling of the transmitter, operating in the l T mode and using a 620L-100 computer interfaced to a Sykes 7000 dual disk drive. Samples were spun in 5 mm tubes at ca 27 "C. Spectra were measured as 0.5-0.6 M solutions in deuteriochloroform (1, 2, 3 and 4) and deuteriopyridine (5, 6 and 7) with TMS as internal standard, over a spectral width of 5700 Hz using 45" pulses and a pulse repetition rate of 0.71 s. An 8 K data table was used, rendering, after Fourier transformation, spectra with 1.43 Hz per

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