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Volumn , Issue 9, 2007, Pages 1399-1402

Preliminary studies on the Michael addition of quinones to nitroolefins: (6bR,10aS)-7,8,9,10,10a,11-hexahydro-6bH-benzo[a]carbazole-5,6-diones, (4aR,11bS)-1,2,3,4,4a,5-hexahydro-11bH-benzo[b]carbazole-6,11-diones, and 1,2,3,4-tetrahydro-5H-benzo[b]carbazole-6,11-diones

Author keywords

Annulations; Asymmetric synthesis; Cyclization; Indoles; Michael additions; Quinones

Indexed keywords

(4A,11B) 1,2,3,4,4A,5 HEXAHYDRO 11BH BENZO[B]CARBAZOLE 6,11 DIONE DERIVATIVE; (6B,10A) 7,8,9,10,10A,11 HEXAHYDRO 6BH BENZ[A]CARBAZOLE 5,6 DIONE DERIVATIVE; 1,2,3,4 TETRAHYDRO 5H BENZO[B]CARBAZOLE 6,11 DIONE DERIVATIVE; NAPHTHOQUINONE; NITRO DERIVATIVE; NITROOLEFIN DERIVATIVE; QUINONE DERIVATIVE; UNCLASSIFIED DRUG;

EID: 34250788154     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2007-980356     Document Type: Article
Times cited : (12)

References (29)
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    • All new compounds gave satisfactory analytical and spectroscopic data. Selected physical and spectroscopic data follow. Compound 6: mp 181-183°C (MeOH, IR (NaCl, ν, 1673 (C=O, 1644 (C=O, 1540 (NO 2, 1367 (NO2) cm-1. 1H NMR (CDCl3, δ, 1.38-1.64 (m, 2 H, CH2, 1.73-2.08 (m, 5 H, 2 x CH2 and CHH, 2.33-2.51 (m, 1 H, CHH, 3.71 (td, J, 11.6, 4.0 Hz, 1 H, CH, 5.40 (td, J, 11.6, 4.0 Hz, 1 H, CHNO2, 7.67 (td, J, 7.6, 1.5 Hz, 1 H, ArH, 7.76 (td, J, 7.6, 1.5 Hz, 1 H, ArH, 8.05 (dd, J, 7.6, 1.5 Hz, 1 H, ArH, 8.11 (dd, J, 7.6, 1.5 Hz, 1 H, ArH) ppm. 13C NMR (CDCl 3, δ, 24.2 (CH2, 25.0 (CH2, 28.4 (CH2, 32.1 (CH2, 38.5 (CH, 85.9 (CHNO2, 121.6 (C, 126.2 (CH, 127.0 (CH, 129.0 (C, 132.7 (C, 133.1 (CH, 135.2 (CH, 153.4 C, 18
    • +].
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    • For previous similar cyclizations leading to oxygen heterocycles, see: a
    • For previous similar cyclizations leading to oxygen heterocycles, see: (a) Lee, Y. R.; Kang, K. Y.; Lee, G. J.; Lee, W. K. Synthesis 2003, 1977.
    • (2003) Synthesis , pp. 1977
    • Lee, Y.R.1    Kang, K.Y.2    Lee, G.J.3    Lee, W.K.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.