𝔖 Bobbio Scriptorium
✦   LIBER   ✦

13C NMR chemical shift assignments for substituted 2-azabicyclo[3.3.1]nonan-3-ones

✍ Scribed by Josefina Quirante; Carmen Escolano; Faïza Diaba; Mercè Torra; Josep Bonjoch

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
393 KB
Volume
38
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

1H and 13C NMR chemical shift assignment
1H and 13C NMR chemical shift assignment of some 3H-naphtho[2,1-b]pyrans
✍ Renaud Demadrille; Corinne Moustrou; Mylène Campredon; Gérard Giusti; Robert Fau 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 81 KB 👁 2 views

The 1H and 13C NMR resonances of four 3H-naphtho[2,1-b]pyrans were completely and unambiguously assigned by a combination of homonuclear (gs-COSY), 1H-detected heteronuclear one-bond (gs-HMQC) and long-range (gs-HMBC) gradient-selected correlation experiments.

13C and 1H NMR Assignments for (1R)-3β-
13C and 1H NMR Assignments for (1R)-3β- Phenyl-8-methyl-8-azabicyclo[3.2.1]octane- 2β-carboxylic Acid Methyl Ester
✍ Andrej Petrič 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 186 KB 👁 1 views

The carbon and proton spectra of the title compound were completely assigned on the basis of COSY, HETCOR, DEPT and selective single-frequency decoupling experiments. The validity of the proton-proton coupling constants determination was checked by computer simulation.

1H and 13C NMR spectroscopy of substitut
1H and 13C NMR spectroscopy of substituted 1,2,3-triazoles
✍ Xiao-Wen Sun; Peng-Fei Xu; Zi-Yi Zhang 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 153 KB 👁 1 views

1-Aryl-4-carboxy-5-methyl-1,2,3-triazoles were prepared by the condensation of aryl azides with ethyl acetoacetate. The structures of these compounds were characterized by MS, IR and 1H and 13C NMR spectroscopy. The measured and calculated 13C chemical shifts of the aromatic carbons were compared.

Determination of the structure of 3-acyl
Determination of the structure of 3-acylmethylene-2,3-dihydrofurans with the aid of 2D NOESY Spectra: 1H and 13C NMR chemical shift assignment
✍ J. G. Sośnicki; Z. Wichert-Tur 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 47 KB 👁 2 views

The 2D NOESY method was used to determine the E/Z configuration and s-cis/s-trans conformation in a series of 3acylmethylene-2,2,3-trisubstituted-2,3-dihydrofurans. The assignments of 1 H and 13 C NMR chemical shifts and J 13 C, 1 H) coupling constants are presented.

1H and 13C NMR Assignments for 3- and 8-
1H and 13C NMR Assignments for 3- and 8-Episirohydrochlorin Methyl Esters
✍ ROBERT S. BURKHALTER; RUSSELL TIMKOVICH 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 202 KB 👁 1 views

Assignments are provided for the protons and directly bonded carbons of 3-and 8-episirohydrochlorin methyl esters based upon material isolated from Desulfovibrio vulgaris . The chemical shifts of the two isomers are highly similar to each other and also to the physiologically relevant authentic siro

General method of assignment of relative
General method of assignment of relative stereochemistry in C-1-substituted 2,4-dimethyl-8-oxabicyclo[3.2.1]oct-6-en-3-one by 1H and 13C NMR correlations
✍ Angel M. Montaña; Sandra Ribes; Pedro M. Grima; Francisca García 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 331 KB 👁 2 views

The 1H and 13C NMR spectra of cis-endo (a) and cis-exo (b) diastereoisomeric pairs of Ðve di †erently C-1-functionalized 2,4-dimethyl-8-oxabicyclo[3.2.1]oct-6-en-3-ones were completely assigned. Several trends regarding the variation of chemical shifts and coupling constants of hydrogen and carbon a