Model Studies Towards Stephaoxocanes: Construction of the 2‐Oxa‐4‐aza‐ phenalene Core of Stephaoxocanidine and Eletefine | Zendy

Bianchi Darío A. | Zendy; Cipulli Marcos A. | Zendy; Kaufman Teodoro S. | Zendy

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Model Studies Towards Stephaoxocanes: Construction of the 2‐Oxa‐4‐aza‐ phenalene Core of Stephaoxocanidine and Eletefine

Author(s) -

Bianchi Darío A.,

Cipulli Marcos A.,

Kaufman Teodoro S.

Publication year - 2003

Publication title -

european journal of organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.825

H-Index - 155

eISSN - 1099-0690

pISSN - 1434-193X

DOI - 10.1002/ejoc.200300548

Subject(s) - isoquinoline , chemistry , ring (chemistry) , stereochemistry , core (optical fiber) , organic chemistry , materials science , composite material

The construction of the polysubstituted 1 H ,3 H ‐2‐oxa‐4‐azaphenalene 4 by means of consecutive oxa‐Pictet−Spengler and Jackson cyclizations is reported. This compound contains the ABC ring system of the novel isoquinoline alkaloids stephaoxocanidine and eletefine, found in Stephania cepharantha and Cissampelos glaberrima . Both these species are Menispermaceæ used in folk medicine in the Far East and Brazil. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003

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