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Journal:   JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)   FEBRUARY 2014 , Volume 11 , Number 1; Page(s) 35 To 45.
 
Paper: 

Unique Charge-Separated Intermolecular And Eight-Membered Intramolecular H-Bonds In Bis-(Thio)

 
 
Author(s):  Noroozi Pesyan Nader*, Jalilzadeh Mohammad, Yalabi Torkaman Nasim, Sahin Ertan
 
* DEPARTMENT OF CHEMISTRY, FACULTY OF SCIENCE, URMIA UNIVERSITY, 57159, URMIA, IRAN
 
Abstract: 
Reaction of symmetrical and unsymmetrical (thio)barbituric acids with aldehydes in the presence of triethylamine afforded a new form of bis-(thio)barbiturate containing charge-separated inter- and eight-membered intramolecular H-bonds. The reaction products were obtained as bis-(thio) barbiturates containing eight-membered intramolecular H-bond in the presence of l-(+)-tartaric acid (TA). The intramolecular H-bond strength (kcal/mol) and corresponding pKa value for 4ab’ were estimated to be 37 kcal/mol and -1.3, respectively.
 
Keyword(s): BARBITURIC ACID, NEGATIVE CHARGE-ASSISTED H-BONDS, RESONANCE-ASSISTED H-BONDS, EIGHT-MEMBERED INTRAMOLECULAR H-BOND, L-(+)-TARTARIC ACID
 
 
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APA: Copy

NOROOZI PESYAN, N., & JALILZADEH, M., & YALABI TORKAMAN, N., & SAHIN, E. (2014). UNIQUE CHARGE-SEPARATED INTERMOLECULAR AND EIGHT-MEMBERED INTRAMOLECULAR H-BONDS IN BIS-(THIO). JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 11(1), 35-45. https://www.sid.ir/en/journal/ViewPaper.aspx?id=411093



Vancouver: Copy

NOROOZI PESYAN NADER, JALILZADEH MOHAMMAD, YALABI TORKAMAN NASIM, SAHIN ERTAN. UNIQUE CHARGE-SEPARATED INTERMOLECULAR AND EIGHT-MEMBERED INTRAMOLECULAR H-BONDS IN BIS-(THIO). JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS). 2014 [cited 2022June25];11(1):35-45. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=411093



IEEE: Copy

NOROOZI PESYAN, N., JALILZADEH, M., YALABI TORKAMAN, N., SAHIN, E., 2014. UNIQUE CHARGE-SEPARATED INTERMOLECULAR AND EIGHT-MEMBERED INTRAMOLECULAR H-BONDS IN BIS-(THIO). JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), [online] 11(1), pp.35-45. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=411093.



 
 
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