𝔖 Bobbio Scriptorium
✦   LIBER   ✦

1H and 13C NMR chemical shift assignment of some 3H-naphtho[2,1-b]pyrans

✍ Scribed by Renaud Demadrille; Corinne Moustrou; Mylène Campredon; Gérard Giusti; Robert Faure


Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
81 KB
Volume
37
Category
Article
ISSN
0749-1581

No coin nor oath required. For personal study only.

✦ Synopsis


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.


📜 SIMILAR VOLUMES


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 👁 1 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 NMR Assignments of Some Green
✍ Adrienne L. Davis; Ya Cai; Alan P. Davies; J. R. Lewis 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 333 KB 👁 2 views

Complete and unequivocal 'H and "C NMR assignments for a range of green tea polyphenols lepiafzelechin, catechin, epicatechin, gallocatechin, epigallocatechin, catechin-3-O-gallate, epicatechin-3-O-gallate, gallocatechin-3-O-gallate, epigallocatechin-3-0-gallate and epigallocatechin-3-0-(3'-O-methyl

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

Assignment of 1H and 13C NMR Chemical Sh
✍ W. Ibrom; A. W. Frahm 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 422 KB 👁 1 views

H and 13C NMR chemical shifts and the homo-and heteronuclear coupling constants of 14 nitroxanthones are presented. Specific nitro increments for xanthones depending on substituent position and on the respective ring carbon position and shift additivity rules were developed by means of multiple line