scholarly journals Investigation of rotations in isomerism forms of a ylide of theophylline: Dynamic 1H NMR study

2017 ◽  
Vol 33 (3) ◽  
pp. 1182-1189
Author(s):  
Sayyed MostafaHabibi-Khorassani ◽  
Mehdi Shahraki ◽  
Eideh Mofarrah ◽  
Elham Mofarrah
Keyword(s):  
1H Nmr ◽  
Nmr Study ◽  
Dynamic 1H Nmr

scholarly journals Dynamic 1H NMR Study of the Hindered Internal Rotation in a Particular Biological Phosphorus Ylide Involving 6-Azauracil

2015 ◽  
Vol 8 (2) ◽  
pp. 565-572
Author(s):  
SAYYED HABIBI-KHORASSANI ◽  
MEHDI SHAHRAKI ◽  
MALEK MAGHSOODLOU ◽  
EIDEH MOFARRAH ◽  
ELHAM MOFARRAH ◽  
...  
Keyword(s):  
Internal Rotation ◽  
1H Nmr ◽  
Phosphorus Ylide ◽  
Nmr Study ◽  
Dynamic 1H Nmr ◽  
Biological Phosphorus

Synthesis and dynamic 1H NMR study of stable phosphorus ylides derived from reaction between heterocyclic NH-acids and triphenylphosphine in the presence of acetylenic esters

2006 ◽  
Vol 2006 (4) ◽  
pp. 215-217 ◽  
Author(s):  
Nourollah Hazeri ◽  
Sayyed M. H. Khorassani ◽  
Malek T. Maghsoodlou ◽  
Ghasem Marandi ◽  
Mahmoud Nassiri ◽  
...  
Keyword(s):  
1H Nmr ◽  
Phosphorus Ylides ◽  
Acetylenic Esters ◽  
Nmr Study ◽  
Dynamic 1H Nmr ◽  
Stable Phosphorus Ylides

Dynamic 1H-NMR study of unusually high barrier to rotation about the partial C N double bond in N,N-dimethyl carbamoyl 5-aryloxytetrazoles

2017 ◽  
Vol 1133 ◽  
pp. 244-252 ◽  
Author(s):  
Fahimeh Movahedifar ◽  
Ali Reza Modarresi-Alam ◽  
Erich Kleinpeter ◽  
Uwe Schilde
Keyword(s):  
Double Bond ◽  
1H Nmr ◽  
Nmr Study ◽  
Dynamic 1H Nmr

Dynamic 1H NMR study around the heteroaryl–carbon and carbon–carbon single bonds and also around carbon–carbon double bond in a particular phosphorous ylide involving a 2-methyl indole

2009 ◽  
Vol 50 (26) ◽  
pp. 3621-3624 ◽  
Author(s):  
Sayyed Mostafa Habibi-Khorassani ◽  
Malek Taher Maghsoodlou ◽  
Ali Ebrahimi ◽  
Fatemeh Vasheghani Farahani ◽  
Elahe Mosaddeg ◽  
...  
Keyword(s):  
Double Bond ◽  
1H Nmr ◽  
Carbon Double Bond ◽  
Nmr Study ◽  
Dynamic 1H Nmr ◽  
Single Bonds
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