𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Concerning the Chemical Shift Data (17O, 13C, 1H) of Formaldehyde

✍ Scribed by Hans Dahn; Peter Péchy


Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
168 KB
Volume
34
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

✦ Synopsis


The "0 NMR signal of formaldehyde was measured and the literature values of the "C and 'H signals are discussed. They are compared with values obtained by other spectroscopic methods and by ub initio calculation.


📜 SIMILAR VOLUMES


Application of 17O Chemical Shift Substi
✍ J. Schulte; J. Lauterwein 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 473 KB 👁 1 views

1 7 0 chemical shift substitution parameters obtained previously from the investigation of the conformationally rigid 1,6-anhydro-/?-~-hexopyranoses were applied to five a,/?-D-hexopyranoses: allose, glucose, mannose, gulose and galactose. The "0 chemical shifts predicted for the endocyclic ether ox

17O chemical shifts and deuterium isotop
✍ Lech Kozerski; Robert Kawȩcki; Piotr Krajewski; Brunon Kwiecień; David W. Boykin 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 133 KB 👁 1 views

17O chemical shifts were measured in 40 enamines activated in the b-position by CxO, COO, NO 2 , SO and groups. Data for the oxygen-containing series of o-hydroxyacyl aromatics are also included for com-SO 2 parison. Intramolecular hydrogen bonding in the enamines is discussed in terms of the accept

1H and 13C Chemical Shifts of some Tetra
✍ S. MOREL; J. P. GALY; R. FAURE 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 206 KB 👁 2 views

The 1H and 13C NMR resonances of 19 tetracyclic acridinone derivatives were completely and unambiguously assigned by a combination of 1H-detected one-bond HMQC and long-range (two and three bonds) HMBC correlation experiments. 1H and 13C chemical shifts are also reported for the respective N -aryl b

1H and 13C NMR chemical shifts of some t
✍ C. Moustrou; N. Rebiere; M. Frigoli; E. Pottier; R. Guglielmetti; R. Faure 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 172 KB 👁 2 views

The complete assignment of the 1H and 13C NMR spectra of eight thienyl-substituted chromenes was achieved by the concerted application of homonuclear (gs-COSY), 1H-detected heteronuclear one-bond (gs-HMQC) and long-range (gs-HMBC) gradientselected correlation experiments.

1H and 13C chemical shifts of 4,5-disubs
✍ S. Issmaili; V. Pique; J. -P. Galy; R. Faure 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 54 KB 👁 2 views

The 1 H and 13 C NMR chemical shifts of 16 4,5disubstituted acridine derivatives and nine 4-substituted-5,5 0 (˛0 0 ,ω 00diaminoacyl)bisacridine derivatives are reported. Chemical shift assignments were established from 1D and gradient-enhanced 2D measurements.

17O, 13C and 1H NMR spectra of 1,2-dialk
✍ Esko Taskinen 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 219 KB

The 17O, 13C and 1H NMR spectra of a number of 1,2-dialkoxyethenes R1OCHxCHOR2 were recorded. The O atoms, in particular those of the E forms, are strongly shielded relative to the 17O nuclei of the corresponding alkyl vinyl ethers Moreover, in compounds of the type ROCHxCHOMe, the di †er-ROCHxCH 2