𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Carbon-13 n.m.r. studies of substituted bisalkylamino-s-triazines in acidic media

✍ Scribed by C. K. Tseng; A. Mihailovski

Publisher
John Wiley and Sons
Year
1977
Tongue
English
Weight
179 KB
Volume
10
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The carbon‐13 n.m.r. spectra of six substituted bisalkylamino‐s‐triazines are reported. The site of protonation of 2‐methoxy‐s‐triazines is shown to be at N‐1 or N‐3. The effect of trifluoroacetic acid on 2‐chloro‐s‐triazines is also discussed.

📜 SIMILAR VOLUMES

N.m.r. studies in the heterocyclic serie
N.m.r. studies in the heterocyclic series: XVII—carbon-13 spectra of indazole derivatives
✍ Philippe Bouchet; Alain Fruchier; Gérard Joncheray; Jose Elguero 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 230 KB

## Abstract The ^13^C chemical shifts of 17 indazole derivatives are discussed as a function of substituent effects and the N‐1—H or N‐2—H structure of indazole. The presence in solution of the N‐1—H tautomer is confirmed.

Carbon-13 n.m.r. studies of purines and
Carbon-13 n.m.r. studies of purines and 8-azapurines in basic aqueous medium
✍ Linda Goodrich Purnell; Derek J. Hodgson 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 471 KB

## Abstract The ^13^C n.m.r. spectra of a variety of purines and 8‐azapurines have been studied in aqueous basic medium; the shifts were measured using dioxane as reference, and corrected to the TMS scale. The compounds studied include adenine, hypoxanthine, 6‐mercaptopurine, guanine, xanthine, 8‐a

Electronic effects in some 3-substituted
Electronic effects in some 3-substituted-2-cyclohexenones: A study by carbon-13 n.m.r. spectroscopy
✍ G. R. Bedford; P. J. Taylor 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 356 KB

## Abstract The carbon‐13 n.m.r. spectra of some 3‐substituted‐2‐cyclohexenones show very wide variations in chemical shift at C‐3 that correlate with Pauling electronegativity χ, even wider variations at C‐2 that correlate with the Taft resonance parameter σ~R~º and almost no variation at C‐1. The

N.m.r. studies on aromatic compounds. I—
N.m.r. studies on aromatic compounds. I—13C n.m.r. spectra of some mono- and disulpho-substituted hydroxycarboxylic acids
✍ Kauko Räisänen; Lauri H. J. Lajunen 📂 Article 📅 1978 🏛 John Wiley and Sons 🌐 English ⚖ 372 KB 👁 1 views

## Abstract Carbon‐13 n.m.r. spectra of 3‐hydroxy‐4‐sulpho‐2‐naphthoic, 3‐hydroxy‐5‐sulpho‐2‐naphthoic, 3‐hydroxy‐7‐sulpho‐2‐naphthoic, 5‐sulphosalicylic, 3‐hydroxy‐5,7‐disulpho‐2‐naphthoic, 1‐hydroxy‐4,7‐disulpho‐2‐naphthoic, and 3,5‐disulphosalicylic acids were recorded with and without proton no

Carbon-13 n.m.r. and CNDO/S study of 1,3
Carbon-13 n.m.r. and CNDO/S study of 1,3-indandione and heterocyclic analogues
✍ Vinicio Galasso; Giorgio Pellizer; Henri Le Bail; Giuseppe C. Pappalardo 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 English ⚖ 344 KB

## Abstract ^13^C n.m.r. spectra are reported for 1,3‐indandione, phthalic anhydride, thiophthalic anhydride, and phthalimide in chloroform‐__d__ solution. The ^13^C chemical shifts have also been calculated by means of Pople's perturbation theory using CNDO/S wave functions; the agreement between

Carbon-13 n.m.r. and CNDO/S study of 1,2
Carbon-13 n.m.r. and CNDO/S study of 1,2-indandione and heterocyclic analogues
✍ Vinicio Galasso; Giorgio Pellizer; Giuseppe C. Pappalardo 📂 Article 📅 1977 🏛 John Wiley and Sons 🌐 English ⚖ 300 KB

## Abstract ^13^C n.m.r. spectra are reported for 1,2‐indandione, coumarandione and thionaphthenequinone in CDCl~3~ solution and for isatin in dimethyl sulphoxide solution. The chemical shifts are assigned and discussed in connection with the influence of the heteroatom on the dicarbonyl group and