Shepherdia

Alkaloids, including ft-carbolines, are found in the three genera of the family. In the present survey, they were detected in Eleagnus latifolia, previously known to contain alkaloids, as well as in E. macrophylla, E. multiflora, and E. pungens (1/6), while E. um-bellata, E. wilsonii, and Shepherdia arguta were negative. 

Shephagenin A (hydrolysable tannin) Shepherdia argentea (Elaeagnaceae) [leaf] HIV-1 RT (49 nM)... 

The two major carotenoids in Shepherdia canadensis were lycopene (16) and methyl apo-6 -lycopenoate (21). The latter was synthesised from apo-8 -lycopenal (22) by the appropriate Wittig condensation. The synthesis of methyl-bixin (24) with the natural cis double bond derived from the lactol (23) is outlined in Scheme 1. ... 

Shepherdia argentea Nutt, and 8. canadensis (L.) Nutt. (Eleag-naceae)... 

Shepherdia canadensis also yielded tetrahydroharmol as well as serotonine and a new base, shepherdine, isomeric with tetrahydroharmol, whose structure (193b), was determined by physical methods and confirmed by a synthesis. Its 0,A-diacetyl derivative melts at 192° (227). 

Senecio grayanus HemsIey io8,4I9 Senecio hartwe i Bentham—108,419 Senecio praecox DC.—108,419 Senecio toluccanus DC.—108,419 Shepherdia argentea Nuttall—262 Shepherdia canadensis Nuttall—262 Sida acuta Burman fil.-qv ... 

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