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Synthesis and structure elucidation of 3,4‐dihydroxy‐2‐quinolin‐2‐ylpyrido[3,2,1‐ jk ]carbazol‐6‐ones
Author(s) -
Dang Hoai V.,
Habib Nargues S.,
Kappe Thomas,
Zangger Klaus,
Stadlbauer Wolfgang
Publication year - 2007
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570440125
Subject(s) - chemistry , dept , quinoline , carbazole , heteronuclear single quantum coherence spectroscopy , stereochemistry , two dimensional nuclear magnetic resonance spectroscopy , carbon 13 nmr , organic chemistry
3,4‐Dihydroxy‐2‐quinolin‐2‐ylpyrido[3,2,1‐ jk ]carbazol‐6‐ones 6 were obtained by cyclocondensation of carbazole 1 with malonates 2 in the presence of quinoline. The assignment of the structures of 6 was performed by NMR experiments such as 1D 1 H, 13 C and DEPT, as well as 2D COSY, HSQC, HMBC and 1,1‐ADEQUATE spectra.