ChemInform Abstract: AN AB INITIO STUDY OF INTRAMOLECULAR HYDROGEN-BONDING INTERACTIONS IN FOUR-, FIVE- AND SIX-MEMBERED RING SYSTEMS

1983 ◽  
Vol 14 (20) ◽  
Author(s):  
P. GEORGE ◽  
C. W. BOCK ◽  
M. TRACHTMAN
Keyword(s):  
Hydrogen Bonding ◽  
Ab Initio ◽  
Intramolecular Hydrogen Bonding ◽  
Membered Ring ◽  
Ab Initio Study ◽  
Ring Systems ◽  
Hydrogen Bonding Interactions ◽  
Intramolecular Hydrogen

Longipilin acetate

2006 ◽  
Vol 62 (4) ◽  
pp. o1330-o1332 ◽  
Author(s):  
Olga L. Ospina ◽  
Carlos A. Rojas ◽  
Daniel Vega
Keyword(s):  
Hydrogen Bonding ◽  
Intramolecular Hydrogen Bonding ◽  
Membered Ring ◽  
Native Plant ◽  
Hydrogen Bonding Interactions ◽  
Molecular Folding ◽  
Intramolecular Hydrogen

Longipilin acetate, C23H28O9, is a compound isolated from Espeletia killipii, a Colombian native plant. The molecule contains two non-planar rings, a ten-membered ring and a five-membered lactone. Various substituents around the ten-membered ring provide very weak intramolecular hydrogen-bonding interactions that determine the molecular folding.

scholarly journals A Microwave and Ab Initio Study of the Conformational Properties and Intramolecular Hydrogen Bonding of Cyclopropanemethanethiol.

1991 ◽  
Vol 45 ◽  
pp. 354-360 ◽  
Author(s):  
K.-M. Marstokk ◽  
Harald Møllendal ◽  
Torbjörn Norin ◽  
Ingeborg Csöregh ◽  
Anne Ertan ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Ab Initio ◽  
Intramolecular Hydrogen Bonding ◽  
Ab Initio Study ◽  
Conformational Properties ◽  
Intramolecular Hydrogen

scholarly journals Intramolecular hydrogen bonding in conformationally semi-rigid α-acylmethane derivatives: a theoretical NMR study

2017 ◽  
Vol 15 (36) ◽  
pp. 7572-7579 ◽  
Author(s):  
Antonio J. Mota ◽  
Jürgen Neuhold ◽  
Martina Drescher ◽  
Sébastien Lemouzy ◽  
Leticia González ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Intramolecular Hydrogen Bonding ◽  
Hydrogen Bonding Interactions ◽  
Nmr Study ◽  
Intramolecular Hydrogen

Experimental and computational evidence for unusual intramolecular hydrogen-bonding interactions is presented and discussed.

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