Synthesis of 3,4,4a,12b-tetrahydro-2,5,5-trimethyl-2h-benzo[b]naphtho[2,3-b]pyran-7,12-dione

Heterocyclic Communications

Volumn 4, Issue 2, 1998, Pages 151-154

  Tapia, Ricardo A ^a   Navarro, Omar ^a   Alegria, Luz ^a   Valderrama, Jaime A ^a  

^a PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE   (Chile)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0032377636     PISSN: 07930283     EISSN: None     Source Type: Journal    
DOI: 10.1515/HC.1998.4.2.151     Document Type: Article

References (20)

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11. For others tetracyclic pyranoquinones see: a) C. Pathirana, P. R. Jensen, and W. Fenical, Tetrahedron Lett., 33, 7663 (1992) b) P. Wessels, A. Göhrt, A. Zeeck, H. Drautz, and H. Zähner, J. Antibiotics, 44, 1013 (1991).
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18. Spectral data identical to those previously described (8).
19. 2: C, 82.16; H, 6.90. Found: C, 81.90; H, 6.72.
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