ABSTRACT
Struct. unknown. Alkaloid from the roots of Catharanthus roseus (Apocynaceae). Prisms (MeOH)(as sulfate salt). Mp 160-1738 (sulfate). Sulfate:
Prisms (MeOH). Mp 160-1738. pKa 6.9 (33% DMF aq.).
Svoboda, G.H. et al., J. Nat. Prod., 1963, 26, 141-153 (isol, uv, ir)
M-2Macaridine 3-Benzyl-1,2-dihydro-1-hydroxy-4-pyridinecarboxaldehyde. 3-Benzyl-4-formyl-1,2dihydro-1-hydroxypyridine [405914-36-5]
C13H13NO2 215.251 Alkaloid from the tubers of Lepidium meyenii (maca). Amorph. solid. lmax 208 (log e 4.07); 255 (sh) (log e 3.76); 294 (log e 4.14) (MeOH). Muhammad, I. et al., Phytochemistry, 2002,
59, 105-110 (isol)
[922510-41-6]
GlcO
O
H H O
OH
H HO
NHHN
O
OH
C37H54N2O12 718.84 Constit. of Machilus yaoshansis. Amorph. powder. [a]20D -48.8 (c, 0.06 in MeOH).
