Modifications of Norditerpenoid Alkaloids: III. Preparation of 7,17-seco Yunnaconitine Derivatives via Rearrangement of Chloroamine

Chinese Chemical Letters

Volumn 10, Issue 5, 1999, Pages 379-382

  Wang, Feng Peng ^a   Fan, Ju Zheng ^a   Jian, Xi Xian ^a   Li, Bo Gang ^b  

^a SICHUAN UNIVERSITY   (China)

^b CHENGDU INSTITUTE OF BIOLOGY   (China)

Author keywords

7,17 seco ynnaconitine; Norditerpenoid Alkaloids

Indexed keywords

EID: 0033436867     PISSN: 10018417     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

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19. 3), 4.15 (1H, d, J=6.6Hz, 6β-H), 4.85 (1H, d, J=4.8Hz, 14β-H), 6.88, 8.01 (each 2H, AA′BB′ system, Ar-H). FABMS m/z (%): 674 (M+1, 100).
20. 3). FABMS m/z (%): 666 (M+1, 100). 632 (M-Cl+1, 46).
21. 3), 4.24 (1H, d, J=7Hz, 6β-H).
22. +, 16), 436 (M-17, 82), 435 (M-18, 88), 434 (100), 422 (M-31, 84).