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Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 25
Autor:
E. W. Hagaman, Ernest Wenkert, Jean C. Miller, Gerald E. Gutowski, Bansi Dr. Lal, Allen S. Katner, Norbert Neuss
Publikováno v:
Helvetica Chimica Acta. 58:1560-1567
The total assignment of the 13C-shifts of the complex Vinica rosea L. alkaloids vincaleucoblastine, leurosidine and leurosine and of a synthetic isomer of the latter is presented. The structure of leurosidine is corrected and a tentative structure fo
Publikováno v:
Journal of Heterocyclic Chemistry. 17:1073-1075
Two 9,11-seco-aphylline derivatives and four 4-substitutedimino-1-carbethoxyquinolizidines were synthesized. Conformational assignments of the predominant isomers were derived from spectral data.
Autor:
Edward W. Hagaman, Ernest Wenkert, Jean C. Miller, Gerald E. Gutowski, Bansi Dr. Lal, Allen S. Katner, Norbert Neuss
Publikováno v:
Chemischer Informationsdienst. 6
Publikováno v:
Chemischer Informationsdienst. 16
Publikováno v:
Chemischer Informationsdienst. 16