Croton linearis

Croton cumingii (Euphorbiaceae) 11yd 32,1 69 Croton discolor (Euphorbiaceae) 11yd 32,1 69 Croton linearis (Euphorbiaceae) 11yd 32,1 69 Croton plumieri (Euphorbiaceae) phy 8, 777 69... [Pg.93]

Antizoma angustifolia (Menispermaceae) jnp 51,584 88 Croton linearis (Euphorbiaceae) rlq 1,140 70 Sinomenium acutum (Menispermaceae) 11yd 33s, 1 70 Thalictrum foetidum (Ranunculaceae) pm 56, 337 90... [Pg.152]

Crotonosine (64) has been observed to incorporate activity when tritiated linearisine (65) was administered to Croton linearis plants.38 The significance of this result is not clear intuitively one would not expect that (65) would be a true intermediate on the pathway from the accepted39 precursor, (+ )-coclaurine (63). [Pg.15]

Coclaurine (79) and (+ )-norcoclaurine (80), but not isococlaurine (81), are precursors for crotonosine (82) in Croton linearis, whilst 8,14-dehydro-norsalutaridine (77) is labelled by radioactive coclaurine, norcoclaurine, and isococlaurine (81). Crotonosine is also derivable from linearisine (83) - " ... [Pg.18]

Haynes et al. (29) showed by feeding experiments on Croton linearis Jacq. with tritium-labeled compounds that d-( — )-coclaurine is... [Pg.405]

New proaporphine alkaloids are (-l-)-isocrotsparinine (1), (-I-)-N-methyliso-crotsparinine (2), and ( )-tetrahydroglaziovine (3), all obtained from Croton spar-siflorus. The stereochemistry of crotsparinine has been defined as in structure (4). Jacularine and Base-E, two minor alkaloids previously isolated from C. linearis have been assigned stereo formulas, with the former being enantiomeric with (1), and the latter being represented by (5)/... [Pg.152]

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