BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 14 pps
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 14 pps
... LLC
14
Natural Products Containing Phenylalanine
as Potential Bioherbicides
Mikhail M. Bobylev, Ludmila I. Bobyleva, and Gary A. Strobel
CONTENTS
14. 1 Introduction
14. 2 Maculosin-I and -II
14. 3 ... maculosin-2, in contrast to uniquely selective mac-
ulosin-1, possesses a broad spectrum herbicide activity.
We tested maculosin-2 first on more closely related to spotted knapweed plants...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 3 ppsx
... plants confirmed its association with L-3,4-dihy-
droxyphenylalanine (L-DOPA). It is well known that velvetbean seeds contain a high con-
centration of L-DOPA (6 to 9%),
20,21
which plays a role ... R. 1937. Isolation of L-3,4-dihydroxyphenylalanine from
the seeds of Mucuna pruriens. Biochem. J., 31, 214 9-2 152.
21. Rehr, S.S., Janzen, D.H., and Feeny, P.P. 1973. L-Dopa in legume seeds: a...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 4 ppsx
... hyperoside, quercetin
4 - -xyloside, 3-methylquercetin 3 - -xyloside
19
Dienoic, trienoic, and tetraenoic acids
20
α-aminoadipic acid
21
β-sitosterol, gallic acid, 1-hexacosanol
22
Nupharin, ... gallic acid, myricitrin, myricetin, 1,2,3,4,6-pentagalloyl-
D-glucose, and 2,3,4,6-tetragalloyl-D-glucose. Examination of alkaloids from N. lutea
showed 6,6′-dihydroxythiobinupharidine to be high...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 6 ppsx
... natural compounds:
(24R )-1 4α-methyl-5α-ergostan-3-one; 14 -methyl-5α-cholestan-3-one; cycloart-5-ene-
3β,25-diol; cycloart-3β,25-diol; 4α-methylergostan-5-ene-3β-ol; stigmast-4,22-dien-6β-ol- 3-
one ... stigmast-4,22-dien-6β-ol- 3-
one and 24-phenylethyl-cholest-3,6-dione were identified; together with several known
compounds: (24R)-stigmast-4-ene-3-one; ergost-4-ene-3-one; (24R)-...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 9 ppsx
... analog,
L-(N
5
-phosphono)methionine-S-sulfoximine (PMSO) (see Figure 9.8) is a potent GS inhibi-
tor and a metabolite of L-(N
5
-phosphono)methionine-S-sulfoximinyl-L-ala-L-ala (PMSO-
Ala-Ala)
76
... situations.
146
Mixtures of glufosinate alone and glufosinate plus several other herbicides (pendimetha-
lin [N-(1-ethylpropyl )-3 ,4-dimethyl-2,6-dinitrobenzenamine]; thiobencarb [S-[(4-ch...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 11 pps
... identified as 4-isopropylbenzyl alcohol (3) and a new compound, (+)-euca-
malol (4) (3-formyl-6-isopropyl-2-cyclohexen-1-ol) (Watanabe et al., 1993) as shown in
Figure 11.2.
The mosquito-repelling ... repellency and repellent dura-
bility against mosquitoes, Aedes albopictus and Culex pipiens. In addition, (+)-eucamalol,
(1R, 6R )-( + )-3 -formyl-6-isopropyl-2-cyclohexene-1-ol, which is a...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 12 pps
... substance or
(E )-9 -oxo-2-decenoic acid (9-ODA) (II), appears to be synergized by other compounds pro-
duced in the mandibular glands.
19
One of these,(E )-9 -hydroxy-2-decenoic acid (9-HDA)
(III), ... to
possess great multifunctionality as defensive compounds.
12.2.4 2-Alkyl-6-Methylpiperidines
Mixtures of cis- and trans-2-alkyl-6-methylpiperidines have been identified as poison gland
p...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 1 ppt
... 2-( 4-dichlorophenoxy) phe-
noxy-methyl propanoate, Hoelon
®
, 1974; Butyl 2-[ 4-( 5-trifluoro-2-pyridyloxy)phenoxy]
propionate, Fusilade
®
, 1980; Methyl 2-( 4-( (3-chloro-5-trifluoromethyl )-2 -pyridinyloxy )-
phenoxy) ... ajmaline, serpentine, and serpertinine.
3-5
Of these, reserpine,
11,17α-dimethyoxy-18 -[ (3,4,5-trimethoxybenzoyl) oxy ]-3 β, 20α-yohimban-1 6- -c...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 2 docx
... silica gel using hex-
ane-EtOAc, mixtures of increasing polarity consisting of four kaurenoid carboxylic acids:
(–)-kaur-16-en-19-oic acid (28), (–)-grandifloric acid, (–)-angeloylgrandifloric ... acids:
(–)-kaur-16-en-19-oic acid (28), (–)-grandifloric acid, (–)-angeloylgrandifloric acid (29), and
the (– )-1 7-hydroxy-16β-kauran-19-oic acid (30) (Figure 2.7).
In general, clear inhibitory effec...
BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 5 ppt
... derivatized to yield the herbicides dicamba (3,6-dichloro-
2-methoxybenzoic acid) and chloramben (3-amino-2,5-dichlorobenzoic acid). The allelo-
pathic terpenoid 1,8-cineole has served as a model for the ... but has not yet been released.
1 4-1 6
5.2 Tree-of-Heaven (Ailanthus altissima)
Tree-of-heaven (Ailanthus altissima, Simaroubaceae) has been known since the work of Mer-
gen in 1959 to...
Từ khóa: