Synthetic Studies on Diazonamide A. Benzofuranone-Tyrosine and Indole-Oxazole Fragment Support Studies

Synlett

Volumn 1996, Issue 7, 1996, Pages 609-611

  Konopelski, Joseph P ^a   Hottenroth, James M ^a   Oltra, Honorato Monzó ^a   Véliz, Eduardo A ^a   Yang, Zhi Cai ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0002070317     PISSN: 09365214     EISSN: None     Source Type: Journal    
DOI: 10.1055/s-1996-5566     Document Type: Article

References (27)

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4. We thank Mr. David Zuch, a participant in our Summer Undergraduate Research Fellowship (SURF) Program, for this synthesis.
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13. 3): δ = 28.4, 37.5, 52.4, 53.8, 54.4, 54.4, 56.3, 61.9, 80.1, 103.4, 112.9, 124.7, 124.75, 124.8, 125.8, 128.1, 128.8, 129.1, 129.2, 131.5, 133.4, 151.5, 155.1, 156.1, 167.28, 167.32, 169.7, 172.2.
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21. Compound 18 was obtained in 21% yield together with 52% starting material 13 (44% based on recovered starting material). Compound 17 could not be separated from 13, but NMR analysis indicated a 3:2 ratio of product to starting material.
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27. max = 280 nm (ε 14000)). (Equation Presented)