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    STUDIA CHEMIA - Issue no. 1-2 / 2002  
         
  Article:   THE SYNTHESIS OF NEW PHENOTHIAZINE COMPOUNDS BY THE THIATION OF DIPHENYLAMINO DERIVATIVES.

Authors:  DAN PORUMB, CASTELIA CRISTEA, IOAN ALEXANDRU SILBERG.
 
       
         
  Abstract:  The thiation of 1, 3, 5 –tris-phenylamino-benzene was studied under various reaction conditions, such as conventional heating and microwaves activation. New 2, 4-diphenylamino-phenothiazine and 6-phenylamino-1,4-benzothiazino[3,2-b]-phenothiazine were thus obtained. Structural assignments were performed using high resolution NMR – spectroscopy.  
         
     
         
         
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