INTERNAL ROTATION OF INTRAMOLECULAR HYDROGEN BONDING OF OH OR NH2 GROUPS ATTACHED TO THREE-MEMBERED RING MOLECULES

2019 ◽  
Author(s):  
Esther Ocola ◽  
Jaan Laane
Keyword(s):  
Hydrogen Bonding ◽  
Internal Rotation ◽  
Intramolecular Hydrogen Bonding ◽  
Membered Ring ◽  
Ring Molecules ◽  
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.

Intramolecular Hydrogen Bonding (PO--H) Stabilizes the Chair Conformation of Six-Membered Ring Phosphates

2005 ◽  
Vol 70 (18) ◽  
pp. 7107-7113 ◽  
Author(s):  
Silvano Cruz-Gregorio ◽  
Mario Sanchez ◽  
Angel Clara-Sosa ◽  
Sylvain Bèrnes ◽  
Leticia Quintero ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Intramolecular Hydrogen Bonding ◽  
Chair Conformation ◽  
Membered Ring ◽  
Intramolecular Hydrogen

Theoretical study of intramolecular hydrogen bonding and molecular geometry of 2-trifluoromethylphenol

10.1002/jcc.2 ◽  
1996 ◽  
Vol 17 (16) ◽  
pp. 1804-1819 ◽  
Author(s):  
Attila Kov�cs ◽  
Istv�n Kolossv�ry ◽  
G�bor I. Csonka ◽  
Istv�n Hargittai
Keyword(s):  
Hydrogen Bonding ◽  
Theoretical Study ◽  
Molecular Geometry ◽  
Intramolecular Hydrogen Bonding ◽  
Intramolecular Hydrogen
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