Synthesis of hydroxy-7H-benzo[c]fluoren-7-ones

Synlett

Volumn , Issue 6, 2004, Pages 1015-1018

  Coelho, Paulo J ^a   Salvador, Maria A ^a   Oliveira, M Manuel ^a   Carvalho, Luis M ^a  

^a UNIVERSITY OF TRÁS OS MONTES AND ALTO DOURO   (Portugal)

Author keywords

Fused ring systems; Hydroxy 7H benzo c fluoren 7 ones; Nucleophilic aromatic substitutions; Phenols

Indexed keywords

2 HYDROXY 7H BENZO[C]FLUOREN 7 ONE; 3 HYDROXY 7H BENZO[C]FLUOREN 7 ONE; 4 HYDROXY 7H BENZO[C]FLUOREN 7 ONE; ALDEHYDE DERIVATIVE; AROMATIC COMPOUND; FLUORENONE DERIVATIVE; OXAZOLINE DERIVATIVE; PYRAN DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; HYDROLYSIS; SUBSTITUTION REACTION;

EID: 3142753987     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2004-822890     Document Type: Article

References (29)

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25. 3): δ = 7.88 (dd, J = 8.5 and 2.5 Hz, 1 H), 7.74 (d, J = 7.0 Hz, 1 H), 7.59 (d, J = 7.0 Hz, 1 H), 7.35 (s, 1 H), 7.24 (d, J = 8.5 Hz, 1 H), 4.08 (s, 3 H), 3.92 (s, 3 H). MS (EI): m/z (%) = 232 (100), 217 (49), 173 (50).
26. 3): δ = 7.71 (d, J = 9.0 Hz, 1 H), 7.67 (d, J = 8.6 Hz, 1 H), 7.52 (m, 2 H), 7.19 (d, J = 9.0 Hz, 1 H), 4.16 (s, 2 H), 3.98 (s, 3 H), 3.93 (s, 3 H), 1.43 (s, 6 H).
27. 3): δ = 7.79 (m, 2 H), 7.63 (d, J = 8.5 Hz, 1 H), 7.45-7.35 (m, 5 H), 7.17 (d, J = 2.5 and 9.1 Hz, 1 H), 6.94 (d, J = 2.5 Hz, 1 H), 3.71 (s, 2 H), 3.68 (s, 3 H), 1.19 (s, 6 H).
28. 3): δ = 7.92 (d, J = 7.5 Hz, 1 H), 7.78 (d, J = 9.0 Hz, 1 H), 7.72-7.67 (m, 2 H), 7.63 (d, J = 8.0 Hz, 1 H), 7.54-7.50 (m, 2 H), 7.31-7.24 (m, 2 H), 4.02 (s, 3 H). MS (EI): m/z (%) = 260 (100), 217 (60), 189 (45).
29. 2: 246.0681, found: 246.0678.