A new total synthesis of an indolo[3,2-j]phenanthridine alkaloid calothrixin B

Tetrahedron Letters

Volumn 46, Issue 32, 2005, Pages 5263-5264

  Tohyama, Shigeo ^a   Choshi, Tominari ^a   Matsumoto, Kohji ^a   Yamabuki, Akira ^a   Ikegata, Kouichiro ^a   Nobuhiro, Junko ^a   Hibino, Satoshi ^a  

^a FUKUYAMA UNIVERSITY   (Japan)

Author keywords

Calothrixin B; Indolo 3,2 j phenanthridine; Quinone; Synthesis

Indexed keywords

ALKALOID; ALLENE DERIVATIVE; CALOTHRIXIN B; CARBAZOLE DERIVATIVE; INDOLE DERIVATIVE; PHENANTHRIDINE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL BOND; OXYGENATION; SYNTHESIS; WITTIG REACTION;

EID: 21844455808     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.06.042     Document Type: Article

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17. 6, 300 MHz): δ 7.39 (1H, t, J = 7.7 Hz), 7.47 (1H, t, J = 7.7 Hz), 7.63 (1H, d, J = 7.7 Hz), 7.89 (1H, t, J = 7.7 Hz), 7.96 (1H, t, J = 7.7 Hz), 8.17 (1H, d, J = 7.7 Hz), 8.19 (1H, d, J = 7.7 Hz), 9.58 (1H, d, J = 7.7 Hz), 9.63 (1H, s), 13.18 (1H, br s).