Regioselective Substitution of 6,7-DichloroQuinoline-5.8-dione: Synthesis, Cytotoxicity, and X-ray crystal stucture of 4a,10.11- Triazabenzo [3.2-a] fluorene-5,6-diones

  • Published : 2002.10.01

Abstract

6.7-Dicholroquinoline-5.8-dione reacted with 2-aminopyridine derivatives, Out of the four possible products which could be achieved in this reaction. condensation and rearrangement product. 4a.10.11-triazabenzo[3.2-a] fluorine-5.6-dione was obtained as major product. The definite structure was identified with X-ray crystallographic study. (omitted)

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