Stimuli-Responsive Luminescent Supramolecular Assemblies and Co-assemblies by Orthogonal Dipole-Dipole Interaction and Halogen Bonding

2021 ◽  
Author(s):  
Akshoy Jamadar ◽  
Ajeet Kumar Singh ◽  
Lisa Roy ◽  
Anindita Das
Keyword(s):  
Crystal Structure ◽  
Single Crystal ◽  
Structure Analysis ◽  
Halogen Bonding ◽  
Dipole Interaction ◽  
Crystal Structure Analysis ◽  
Supramolecular Assemblies ◽  
Single Crystal Structure ◽  
Stimuli Responsive ◽  
Single Crystal Structure Analysis

This article reports π-chromophore assemblies from three structurally related dipolar naphthalene monoimide (NMI) luminogens (M1, M2 and M3) by underexplored orthogonal dipole-dipole interaction and halogen bonding. Single crystal structure analysis...

Stereoselective Syntheses of Alkyl Z-2-(2-amino-4-oxo-1,3-selenazol- 5(4H)-ylidene)acetates in Solvent-Free Conditions, X-Ray Single Crystal Structure Analysis of Ethyl Z-2-(2-amino-4-oxo-1,3-selenazol- 5(4H)-ylidene)acetate

2005 ◽  
Vol 60 (5) ◽  
pp. 569-571 ◽  
Author(s):  
Ali Ramazani ◽  
Ali Morsali ◽  
Bijan Ganjeie ◽  
Ali Reza Kazemizadeh ◽  
Ebrahim Ahmadi ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Single Crystal ◽  
Structure Analysis ◽  
Crystal Structure Analysis ◽  
Solvent Free ◽  
Single Crystal Structure ◽  
X Ray ◽  
Solvent Free Conditions ◽  
Stereoselective Syntheses ◽  
Single Crystal Structure Analysis

Selenourea reacts with dialkyl acetylenedicarboxylates under solvent-free conditions to form 1:1 adducts, which undergo a cyclization reaction to produce alkyl Z-2-(2-amino-4-oxo-1,3-selenazol- 5(4H)-ylidene)acetates, in good yields. The stereochemistry of the ethyl Z-2-(2-amino-4-oxo-1,3- selenazol-5(4H)-ylidene)acetate was established by X-ray single crystal structure analysis. The reaction is completely stereoselective.

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