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5178005 
Journal Article 
EFFICIENT SYNTHESIS OF FLUORINATED 1,8-NAPHTHYRIDINYL PHTHALAZINE-1,4-DIONES IN THE SOLID STATE 
Mogilaiah, K; Swamy, JK; Jagadeeshwar, K; Kumar, KS 
2010 
Yes 
Indian Journal of Heterocyclic Chemistry
ISSN: 0971-1627 
CONNECT JOURNALS 
GHAZIABAD 
19 
413-414 
English 
A convenient synthesis of fluorinated 2-(3-aryl-1,8-naphthyridin-2-yl)-1,2,3,4-tetrahydrophthalazine-1,4-dione s 3 has been achieved by grinding 3-aryl-2-hydrazino-1,8-naphthyridines 1 with phthalic anhydride 2 in the presence of a catalytic amount of PTSA in a mortar with pestle at room temp. The products are obtained in very good yields and in a state of high purity. 
Polymer Science; agents, mild