Interpretation of the 13C NMR spectra of thirteen methoxycarbonylpyridines and some of their derivatives
✍ Scribed by Reija Jokela
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 238 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0749-1581
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✦ Synopsis
Abstract
The ^13^C NMR spectra of thirteen methoxycarbonylpyridine derivatives and two pyridine lactones are interpreted. The substituent increments for the methoxycarbonyl group in 2‐, 3‐ and 4‐substituted pyridines are reported.
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## Abstract ^13^C NMR data for 21 cycloalkanespiro‐hydantoin derivatives, substituted at position 3, are reported and compared with those for the corresponding 4‐hydroxy derivatives.
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 tube
## Abstract ^1^H, ^13^C, and ^15^N NMR chemical shifts for pyridazines 4–22 were measured using 1D and 2D NMR spectroscopic methods including ^1^H^1^H gDQCOSY, ^1^H^13^C gHMQC, ^1^H^13^C gHMBC, and ^1^H^15^N CIGAR–HMBC experiments. Copyright © 2010 John Wiley & Sons, Ltd.