1H and 13C NMR spectroscopic structural elucidation of new decarboxylated betacyanins

Tetrahedron Letters

Volumn 47, Issue 11, 2006, Pages 1725-1728

  Wybraniec, Sławomir ^a   Nowak Wydra, Barbara ^b   Mizrahi, Yosef ^c  

^a CRACOW UNIVERSITY OF TECHNOLOGY   (Poland)

^b ADAM MICKIEWICZ UNIVERSITY   (Poland)

^c BEN GURION UNIVERSITY OF THE NEGEV   (Israel)

Author keywords

[No Author keywords available]

Indexed keywords

ANTINEOPLASTIC AGENT; CYANIDE; HYLOCEREUS POLYRHIZUS EXTRACT; PLANT EXTRACT; UNCLASSIFIED DRUG;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CHEMICAL STRUCTURE; CHEMOPROPHYLAXIS; DECARBOXYLATION; FRUIT; HYLOCEREUS POLYRHIZUS; MEDICINAL PLANT; PROTON NUCLEAR MAGNETIC RESONANCE;

HYLOCEREUS POLYRHIZUS; STENOCEREUS STELLATUS;

EID: 32244446485     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2006.01.046     Document Type: Article

References (19)

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11. 2O): δ 27.5 (C-14), 33.8 (C-3), 54.3 (C-15), 60.7 (C-6′), 65.6 (C-2), 69.7 (C-4′), 73.2 (C-3′), 75.9 (C-2′), 76.8 (C-5′), 100.0 (C-7), 101.9 (C-1′), 105.2 (C-18), 106.2 (C-12), 114.0 (C-4), 117.7 (C-13), 124.5 (C-9), 138.3 (C-8), 143.9 (C-5), 144.0 (C-11), 146.6 (C-6), 177.1 (C-10).
12. 2O): δ 26.6 (C-3), 27.0 (C-14), 50.1 (C-2), 53.8 (C-15), 60.4 (C-6′), 69.3 (C-4′), 72.8 (C-3′), 75.2 (C-2′), 76.0 (C-5′), 99.7 (C-7), 101.3 (C-1′), 104.1 (C-18), 106.3 (C-12), 113.7 (C-4), 117.4 (C-13), 124.1 (C-9), 136.9 (C-8), 143.3 (C-5), 144.0 (C-11), 145.8 (C-6).
13. 2O): δ 27.0 (C-14), 33.0 (C-3), 53.7 (C-15), 60.3 (C-6′), 64.8 (C-2), 69.3 (C-4′), 72.7 (C-3′), 75.9 (C-2′), 76.0 (C-5′), 99.2 (C-7), 101.5 (C-1′), 103.8 (C-12), 105.3 (C-18), 113.8 (C-4), 123.5 (C-9), 137.9 (C-8), 142.8 (C-11), 143.0 (C-5), 146.1 (C-6), 155.3 (C-17), 176.0 (C-19), 176.7 (C-10).
14. 2O): δ 27.1 (C-14), 26.7 (C-3), 49.7 (C-2), 53.8 (C-15), 60.4 (C-6′), 69.2 (C-4′), 72.8 (C-5′), 75.6 (C-3′), 76.0 (C-2′), 99.4 (C-7), 101.4 (C-1′), 104.4 (C-18), 109.1 (C-12), 114.0 (C-4), 125.8 (C-9), 138.5 (C-11), 137.5 (C-8), 143.6 (C-5), 145.9 (C-6), 154.4 (C-17).
15. † (C-3″).
16. 2O): δ 26.3 (C-4″), 26.8 (C-3), 27.1 (C-14), 45.5 (C-2″), 45.8 (C-5″), 50.0 (C-2), 53.9 (C-15), 63.3 (C-6′), 69.5 (C-4′), 69.9 (C-3″), 72.9 (C-3′), 73.6 (C-5′), 75.0 (C-2′), 99.6 (C-7), 101.0 (C-1′), 104.1 (C-18), 106.5 (C-12), 113.3 (C-4), 126.2 (C-9), 137.4 (C-8), 143.7 (C-11), 143.8 (C-5), 146.7 (C-6), 172.6 (C-6″), 177.1 (C-1″).
17. † (C-2″), 53.9 (C-15), 63.2 (C-6′), 64.9 (C-2), 68.9 (C-4′), 73.1 (C-3′), 73.7 (C-5′), 74.9 (C-2′), 99.4 (C-7), 101.9 (C-1′), 104.0 (C-12), 105.5 (C-18), 114.5 (C-4), 123.3 (C-9), 138.3 (C-8), 142.6 (C-5), 142.9 (C-11), 146.1 (C-6), 155.3 (C-17).
18. † (C-2″), 49.7 (C-2), 53.9 (C-15), 63.4 (C-6′), 69.2 (C-4′), 73.0 (C-3′), 73.7 (C-5′), 74.6 (C-2′), 99.3 (C-7), 101.1 (C-1′), 104.2 (C-12), 104.2 (C-18), 113.4 (C-4), 125.6 (C-9), 137.4 (C-8), 143.1 (C-5), 143.3 (C-11), 145.7 (C-6), 154.2 (C-17).
19. 2O): δ 26.2 (C-4″), 26.6 (C-3), 27.1 (C-14), 45.7 (C-2″), 47.3 (C-5″), 49.9 (C-2), 53.8 (C-15), 63.2 (C-6′), 69.7 (C-3″), 69.9 (C-4′), 72.5 (C-3′), 73.8 (C-5′), 75.1 (C-2′), 99.5 (C-7), 101.3 (C-1′), 104.3 (C-12), 104.7 (C-18), 114.1 (C-4), 125.8 (C-9), 137.9 (C-8), 139.2 (C-11), 143.0 (C-5), 146.3 (C-6), 154.4 (C-17), 177.1 (C-1″), 172.8 (C-6″).