𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Hydrogen bonding of water to chlorophyll a and its derivatives as detected by 1H-NMR spectroscopy

✍ Scribed by Paavo H. Hynninen; Simo Lötjönen

Book ID
115720085
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
611 KB
Volume
1183
Category
Article
ISSN
0005-2728

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Bifurcated hydrogen-bonding effect on th
Bifurcated hydrogen-bonding effect on the shielding and coupling constants in trifluoroacetyl pyrroles as studied by 1H, 13C and 15N NMR spectroscopy and DFT calculations
✍ Andrei V. Afonin; Igor A. Ushakov; Al'bina I. Mikhaleva; Boris A. Trofimov 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 231 KB 👁 1 views

## Abstract According to the ^1^H, ^13^C and ^15^N NMR spectroscopic data and DFT calculations, bifurcated NH···N and NH···O intramolecular hydrogen bond is shown to be present in 2‐trifluoroacetyl‐5‐(2′‐pyridyl)‐pyrrole. This bifurcated hydrogen bond causes an increase in the absolute size of th

Different types of hydrogen bonds in 2-s
Different types of hydrogen bonds in 2-substituted pyrroles and 1-vinyl pyrroles as monitored by 1H, 13C and 15N NMR spectroscopy and ab initio calculations
✍ Andrei V. Afonin; Igor A. Ushakov; Lyubov' N. Sobenina; Zinaida V. Stepanova; Ol 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 151 KB

## Abstract According to the ^1^H, ^13^C and ^15^N NMR spectroscopic data and __ab initio__ calculations, the strong NH···O intramolecular hydrogen bond in the __Z__‐isomers of 2‐(2‐acylethenyl)pyrroles causes the decrease in the absolute size of the ^1^__J__(N,H) coupling constant by 2 Hz in CDCl