Application of biphasic reaction procedure using ferric chloride dissolved in an imidazolium salt and benzotrifluoride (FeIm-BTF procedure) to aza-Prins cyclization reaction

Tetrahedron Letters

Volumn 51, Issue 50, 2010, Pages 6535-6538

  Hasegawa, Eietsu ^a   Hiroi, Nohara ^a   Osawa, Chika ^a   Tayama, Eiji ^a   Iwamoto, Hajime ^a  

^a NIIGATA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

1 BUTYL 3 METHYLIMIDAZOLIUM HEXAFLUOROPHOSPHATE; 1 BUTYL 3 METHYLIMIDAZOLIUM TETRACHLOROFERRATE; ALDEHYDE DERIVATIVE; ALIPHATIC COMPOUND; AMINE; AROMATIC COMPOUND; BENZALDEHYDE; BENZOTRIFLUORIDE; DICHLOROMETHANE; FERRIC CHLORIDE; FLUORIDE; IMIDAZOLE DERIVATIVE; N TOSYL 3 BUTENYLAMINE; N TOSYL 4 CHLORO 2 PIPERIDINE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL REACTION; CHEMICAL STRUCTURE; CYCLIZATION; SUBSTITUTION REACTION; SYNTHESIS;

EID: 78650244897     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2010.10.018     Document Type: Article

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53. 4. The residue obtained after concentration was purified by silica-gel column chromatography (EtOAc/n-Hexane solvent systems), and then subjected to TLC (EtOAc/n-Hexane solvent systems).
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56. 4NCl. If this devised procedure works, then imidazolium layer might be reusable, which would be certainly the future subject to investigate.