RT journal article
T1 Steroidal Saponins from Furcraea hexapetala Leaves and Their Phytotoxic Activity
A1 Calle, Juan M.
A1 Pérez, Andy J.
A1 Guerra, José O.
A1 Simonet Morales, Ana María
A1 Macías Domínguez, Francisco Antonio
A2 Química Orgánica
K1 Furcraea hexapetala
K1 Phytotoxic activity
K1 saponins
K1 Steroidal saponins
AB Four new steroidal saponins (1−4) along with 13 known saponins were isolated from the leaves of Furcraeahexapetala. The new compounds were identified as (20R,22R,25R)-3β-hydroxy-5α-spirostan-12-one 3-O-{α-Lrhamnopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→3)-O-[β-D-glucopyranosyl-(1→3)-O-β-D-glucopyranosyl-(1→2)]-O-β-D-glucopyranosyl-(1→4)-O-β-D-galactopyranoside} (1), (25R)-3β-hydroxy-5α-spirost-20(21)-en-12-one 3-O-{α-Lrhamnopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→3)-O-[β-D-glucopyranosyl-(1→3)-O-β-D-glucopyranosyl-(1→2)]-O-β-D-glucopyranosyl-(1→4)-O-β-D-galactopyranoside} (2), (25R)-5α-spirostan-3β-ol 3-O-{β-D-glucopyranosyl-(1→2)-O-β-D-glucopyranosyl-(1→2)-O-β-D-glucopyranosyl-(1→4)-O-β-D-galactopyranoside} (3), and (25R)-5β-spirostan-3β-ol 3-O-{β-D-glucopyranosyl-(1→6)-O-β-D-galactopyranoside} (4) by spectroscopic analysis, including one- and two-dimensional NMR techniques, mass spectrometry, and chemical methods. The phytotoxicity of the isolated compounds against the standard target species Lactuca sativa was evaluated. Structure−activity relationships for these compounds with respect to phytotoxic effects are discussed.
PB ACS Publications
YR 2016
FD 2016-10
LK http://hdl.handle.net/10498/20349
UL http://hdl.handle.net/10498/20349
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 05-nov-2026