HO
HO
N
N
N
H
H
O
3’’’’-oxo-juliprosopine
H
3 C
H
3 C
Inhibitory effect on root growth of cress (Lepidium sativum L.)
seedlings (I
50 = 400
μM)
Inhibitory effect on shoot growth of cress (Lepidium sativum L.)
seedlings (I
50 = 10
μM)
(Nakano et al. 2004b)
N
HO
H
3
C
H
O
H
N
OH
CH
3
H
Secojuliprosopinal
Inhibitory effect on root growth of cress (Lepidium sativum L.)
seedlings (I
50 = 500
μM)
Inhibitory effect on shoot growth of cress (Lepidium sativum L.)
seedlings (I
50 = 100
μM)
(Nakano et al. 2004b)
H
3 C
H
3
C
N
N
N
H
R
2
R
1
H
3-oxo-juliprosine (R
1 = =O, R
2 = β-OH)
3’-oxo-juliprosine (R
1 = β-OH, R
2 = =O)
Inhibitory effect of a 50:50 mixture of 3-oxo-juliprosine and 3′-oxojuliprosine on root growth (I
50 = 100
μM) and shoot growth
(I
50 = 1
μM) of cress seedlings
(Nakano et al. 2004b)
22 Prosopis juliflora: Phytochemical, Toxicological, and Allelochemicals
529