770669-80-2Relevant academic research and scientific papers
Synthesis of 6,7-dihydrodibenzo[b,j]phenanthroline derivatives by pfitzinger condensation of isatin and cyclic diketones
Fang, Lizhen,Ma, Jinshuo,Lu, Chenjuan,Li, Huanhuan,Yang, Xiaoli
, p. 209 - 215 (2014)
All two kinds of 6,7-dihydrodibenzo[b,j]phenanthroline derivatives were synthesized by Pfitzinger condensation of isatins with 1,3-cyclohexanedione and 1,4-cyclohexanedione respectively. Structures of the derivatives were confirmed by NMR and other spectr
Improved synthesis of 1-oxo-1,2,3,4-tetrahydroacridine-9-carboxylic acids from isatins and 1,3-cyclohexanedione
Lv, Qinghua,Fang, Lizhen,Lu, Chenjuan,Wang, Pengfei
experimental part, p. 1457 - 1463 (2012/08/07)
An improved protocol for the preparation of 1-oxo-1,2,3,4- tetrahydroacridine-9-carboxylic acid derivatives via Pfitzinger condensation under acidic conditions is described, it provides a simple one-pot synthetic method for some useful 1-oxo-1,2,3,4-tetra
CONDENSED PYRAZOLE DERIVATIVES AS PPAR AGONISTS II
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Page/Page column 14-15, (2010/11/26)
The invention discloses compounds of formula (I) wherein: R is a carboxylic acid or a derivative thereof; R1 and R2 are independently H or alkyl, or together R1 and R2 form an alkylene group; L1 is a
