Three novel anti-microfouling nitroalkyl pyridine alkaloids from the Okinawan marine sponge Callyspongia sp

Tetrahedron Letters

Volumn 37, Issue 11, 1996, Pages 1813-1816

  Wang, Gui Yang Sheng ^a   Kuramoto, Makoto ^a   Uemura, Daisuke ^a   Yamada, Akihiro ^b   Yamaguchi, Kaori ^b   Yazawa, Kazunaga ^b  

^a SHIZUOKA UNIVERSITY   (Japan)

^b SAGAMI CHEMICAL RESEARCH CENTER   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CALLYSPONGIA;

ANTIFOULING AGENT; UNCLASSIFIED DRUG; UNTENINE A; UNTENINE B; UNTENINE C;

ARTICLE; DRUG ISOLATION; DRUG STRUCTURE; DRUG SYNTHESIS; NONHUMAN; SPONGE;

EID: 0029881735     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/0040-4039(96)00125-6     Document Type: Article

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14. 13C NMR: 151.0 (d, C-2), 140.2 (s, C-3), 139.2 (d, C-4), 125.8 (d, C-5), 148.3 (d, C-6), 34.6 (t, C-7), 30.5 (t, C-8), 129.6 (d, C-9), 133.2 (d, C-10), 28.9 (t, C-11), 31.4 (t, C-12); 31.3, 31.3, 31.2, 30.8, 30.7 and 28.1 (t for each, C-13-18); 29.2 (t, C-19) and 77.4 (t, C-20).
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22. 2O, flow rate 1.0 ml/min, detector wavelength 210 nm, retention time: 1, 14.0 minutes; 9, 16.2 minutes)
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