✦ LIBER ✦

Experimental (13C and 15N NMR spectroscopy) and theoretical (6–31G) study of the protonation of N-methylazoles and N-methylbenzazoles

✍ Scribed by Rosa Maria Claramunt; Dionisia Sanz; Gérard Boyer; Javier Catalän; José Luis G. de Paz; José Elguero

Publisher: John Wiley and Sons
Year: 1993
Tongue: English
Weight: 834 KB
Volume: 31
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1260310902

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Theoretical and experimental 13C and 15N

Theoretical and experimental 13C and 15N NMR investigation of guanylhydrazones in solution

✍ Tales L. C. Martins; Teodorico C. Ramalho; José D. Figueroa-Villar; Alex F.C. Fl 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 130 KB

## Abstract Experimental and theoretical ^15^N and ^13^C NMR data for the three nitrobenzaldehyde guanylhydrazones are reported. The theoretical data were obtained using sequential molecular dynamics/quantum mechanics methodology for the calculation of flexible molecules in a condensed phase, follo

13C and 15N NMR study of derivatives of

13C and 15N NMR study of derivatives of N-unsubstituted pyrrolidines

✍ Didier Barbry; Bruno Hasiak; Daniel Couturier 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 192 KB

## Abstract ^13^C and ^15^N NMR data for twelve __N__‐unsubstituted pyrrolidines are reported and __cis__ and __trans__ stereomers are assigned for 2,3‐, 2,4‐ and 2,5‐disubstituted compounds.

13C and 15N NMR Study of Electron Distri

13C and 15N NMR Study of Electron Distribution in N-Aryl-N′-cyanoguanidines

✍ Ian D. Cunningham; Nan Chi Wan 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 512 KB

13C and "N NMR spectroscopic assignments are given for a series of N-aryl-N-cyanoguanidines in DMSO-d, along with those for a few related cyanoguanidines. The NMR data are interpreted in terms of minimal overlap of the amino lone pair with the attached aryl ring, and a planar guanidine structure wit

Combined Experimental and Theoretical St

Combined Experimental and Theoretical Study of the Protonation of Polyfluorobenzenes [C6H6-nFn] (n=0-6)

✍ Szulejko, J. E.; Hrušák, J.; McMahon, T. B. 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 342 KB 👁 1 views

In a recent high-pressure mass spectrometric revision to the gas-phase basicity scale (J. E. Szulejko and T. B.

Optimizing the13C–14N REAPDOR NMR Experi

Optimizing the13C–14N REAPDOR NMR Experiment: A Theoretical and Experimental Study

✍ Yong Ba; Hsien-Ming Kao; Clare P. Grey; Lamy Chopin; Terry Gullion 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 251 KB

The optimum 14 N pulse lengths in the 13 C-14 N rotationalecho adiabatic-passage double-resonance (REAPDOR) NMR experiment are determined from calculations and from experiments on samples of glycine and L-alanine. The REAPDOR experiment utilizes the adiabatic passages that 14 N spins make between th

1H, 13C and 15N NMR study of N1-alkyl-N2

1H, 13C and 15N NMR study of N1-alkyl-N2-arylthioureas

✍ Iwona Wawer; Vera Koleva 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 407 KB

## Abstract ^13^C and ^15^N NMR chemical shifts were measured for __N__^1^‐alkyl‐__N__^2^‐arylthioureas. The absence of decoalescence of the __N__^1^‐alkyl group carbon signals down to 190 K, the europium‐induced chemical shifts and the molecular mechanics calculations indicate that the preferred c