One-pot synthesis of substituted indole N-oxides: TiCl4-mediated Baylis-Hillman reaction of α-oxo cyclic ketene-S,S-acetal with o-nitrobenz-aldehydes and subsequent intramolecular cyclization

Synlett

Volumn , Issue 7, 2006, Pages 1090-1094

  Pan, Wei ^a   Dong, Dewen ^a   Sun, Shaoguang ^a   Liu, Qun ^a  

^a NORTHEAST NORMAL UNIVERSITY   (China)

Author keywords

oxo ketene S,S acetals; Baylis Hillman reaction; Indole N oxides; TiCl4

Indexed keywords

ACETAL DERIVATIVE; BENZALDEHYDE DERIVATIVE; INDOLE DERIVATIVE; KETENE DERIVATIVE; OXIDE; TITANIUM TETRACHLORIDE;

ARTICLE; BAYLIS HILLMAN REACTION; CHEMICAL REACTION; CHEMICAL STRUCTURE; COLUMN CHROMATOGRAPHY; CYCLIZATION; SYNTHESIS;

EID: 33646684953     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-2006-939074     Document Type: Article

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54. 3): δ = 2.10 (s, 6 H), 3.25 (m, 8 H), 6.55 (s, 1 H), 7.43 (m, 1 H), 7.47 (d, J = 8.0 Hz, 1 H), 7.54 (m, 1 H), 7.89 (d, J = 8.0 Hz, 1 H).