Highly regioselective Friedel-Crafts alkylation of indoles with α,β-unsaturated N-acylbenzotriazoles

Tetrahedron Letters

Volumn 47, Issue 22, 2006, Pages 3767-3771

  Zou, Xuefei ^a   Wang, Xiaoxia ^a   Cheng, Cungui ^a   Kong, Lichun ^a   Mao, Hui ^a  

^a ZHEJIANG NORMAL UNIVERSITY   (China)

Author keywords

Friedel Crafts alkylation; Indoles; N Cinnamoylbenzotriazoles; Samarium(III) iodide

Indexed keywords

BENZOTRIAZOLE DERIVATIVE; INDOLE DERIVATIVE; SAMARIUM;

ACYLATION; ARTICLE; CATALYSIS; CHEMICAL REACTION KINETICS; ENANTIOSELECTIVITY; FRIEDEL CRAFTS REACTION; SUBSTITUTION REACTION;

EID: 33646082005     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2006.03.110     Document Type: Article

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43. 4, and concentrated under reduced pressure. The residue was purified by preparative TLC on silica gel with ethyl acetate and cyclohexane (1:2) as eluent to afford pure products 3.
44. 4O. Calcd. C, 73.39; H, 4.72; N, 11.41. Found C, 73.16 H, 4.79; N, 11.35.