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Extra resources for Alkaloids: Chemistry and Pharmacology, Volume 6
A. Botan. Polon. 24, 549-566 (1955). 244. G. I. Laschuk, Doklady Akad. R. 64, 405-408 (1949). 245. D. Wagenbreth, Flora (Jews) 144, 84-97 (1956). 246. K. Mothes and A. Romeike, FZora ( J e w ) 139, 181-184 (1952). 247. A. Romeike, P h m n a z i e 8, 668, 729 (1953). 248. A. Fardy, J. Cuzin, and D. Schwartz, Ann. inat. ezp. tabac Bergerac 1(4). 101 (1953). 249. G. J. Laschuk, Doklady Akad. R. 64, 145-1+8 (1949). 250. K. Mothes, L. -H. Tschope, and G. Hutschenreuter-Trefftz, Flora ( J e w ) 144 (1957) 251.
103, 142) Tournejmtia sibiricu L. (143) C18H21N03 Usaramoensine a C18HI,5N05 Viridi0orine C15H27N04 C5He”O C&H13N0 CBH15N02 C12H17( qN04 Cl2Hl8N2O2 C13H21N03 C18H27N05 C18H27N05 18 27 No 6 (73) (73) (73) Heliotropium europaeum L. 4’ 46 NELSON J. LEONARD in accompaniment with the corresponding alkaloids: europine, heleurine, heliotrine, lasiocarpine, platyphylline, retrorsine, rosmarinine, sarracine, seneciphylline, and supinine (Table 1). A study of the major alkaloids of Senecio paucicalyculatus Platt by Pretorius ( 106) indicated that the content of retrorsine increases, whereas that of retrorsine N-oxide decreases, with the age of the plant.
Reinouts van Haga, Nature 174, 833 (1954). 427. H. King and L. Ware, J . Chem. 139, 331 (1941). 428. E. Steinegger and G. Phokas, Pharm. Acta Helv. 30, 441-443 (1955). 429. P. Reinouts van Haga, Biochim. et Biophys. Acta 19, 562 (1956). 430. A. Silber and W. Bischoff, Pharmazie 9, 46 (1954). 431. L. J. Schermeister, R. F. Voigt, and F. T. MBher, J. Am. Pharm. Assoc. Sci. Ed. 39, 669-72 (1950). 432. Vogel and E. Weber, 2. PfZanzenerniihr. u. Dung. A 1, 85 (1922). 433. W. W. Garner, C. W. Bacon, J.