Total synthesis of SS20846A via intramolecular Pd(II)-catalyzed cyclization

Tetrahedron Letters

Volumn 39, Issue 33, 1998, Pages 5971-5974

  Yokoyama, Hajime ^a   Otaya, Kumiko ^a   Yamaguchi, Seiji ^a   Hirai, Yoshiro ^a  

^a UNIVERSITY OF TOYAMA   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

PIPERIDINE DERIVATIVE;

ARTICLE; CATALYSIS; CYCLIZATION; DRUG ISOLATION; STEREOCHEMISTRY; SYNTHESIS;

EID: 0032514417     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(98)01225-8     Document Type: Article

References (25)

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20. 8. Yields were not optimised. All new compounds gave satisfactory spectral analyses. The details of these products will be reported elsewhere.
21. 4NSi : C, 60.13; H, 10.37; N, 3.90. Found : C, 59.94; H, 10.57; N, 3.78.
22. 1H-NMR analysis.
23. 3)
24. 12. The isomers 15 and 16 (85 : 15) could be separated by silica gel column chromatography.
25. 3) (lit. [α]20D-15° (c = 1.00, CHCl3))la)