Formation of new 5,11b-bridged isoindolo[2,1-b]isoquinolinones alkaloids through a tandem Pummerer/ π-cationic cyclization

Organic Letters

Volumn 2, Issue 9, 2000, Pages 1201-1204

  Hucher, Nicolas ^a   Daich, Adam ^a   Decroix, Bernard ^a  

^a UNIVERSITÉ DU HAVRE   (France)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000489804     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol005545c     Document Type: Article

References (41)

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39. 2S (359.45) (mixture): C, 73.51; H, 4.76; N, 3.89. Found: C, 73.39; H, 4.66; N, 3.69.
40. 16NOS (390.48): C, 79.77; H, 4.38; N, 3.58. Found: C, 79.83; H, 4.33; N, 3.51.
41. We have used the same procedure, as reported in ref 22, with TFA instead TFAA and pyridine. The resulting solid was recrystallized from ethanol to give 6a as yellow needles in 58% yield.