BIOLOGICALLY ACTIVE NATURAL PRODUCTS: AGROCHEMICALS - CHAPTER 19 pdf

... to low molecular weight amino acids such as glycine, β-alanine, α-aminobutyric acid, γ-amino- butyric acid (GABA), L-arginine, and L-proline. 30 19. 5 Conclusions Modification of taste is of interest ... 19 Phytochemical Modification of Taste: An Insect Model J. Alan A. Renwick CONTENTS 19. 1 Introduction 19. 2 Repellents, Antifeedants, and Toxins 19. 3 Cabbage Butterfly, Pieris rapae 19....

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... 2-( 4-dichlorophenoxy) phe- noxy-methyl propanoate, Hoelon ® , 197 4; Butyl 2-[ 4-( 5-trifluoro-2-pyridyloxy)phenoxy] propionate, Fusilade ® , 198 0; Methyl 2-( 4-( (3-chloro-5-trifluoromethyl )-2 -pyridinyloxy )- phenoxy) ... Verdict/Gallant ® , 198 1; and Ethyl (R )-2 -[ 4-[ (6-chloro-2-benox- azolyl)-oxy]-phenoxy] propanoate, Whip ® , 198 2 (Figure 1.6). All are grass...

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... silica gel using hex- ane-EtOAc, mixtures of increasing polarity consisting of four kaurenoid carboxylic acids: (–)-kaur-16-en -1 9- oic acid (28), (–)-grandifloric acid, (–)-angeloylgrandifloric ... acids: (–)-kaur-16-en -1 9- oic acid (28), (–)-grandifloric acid, (–)-angeloylgrandifloric acid (29), and the (– )-1 7-hydroxy-16β-kauran -1 9- oic acid (30) (Figure 2.7). In general, clear inhibit...

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... D.T. and Koeppe, D.E. 197 2. Noncompetitive effects of giant foxtail on the growth of corn. Agron. J., 64, 32 1-3 25. 19. Fujii, Y., Shibuya, T., and Yasuda, T. 199 1. L-3,4-dihydroxyphenylalanine ... HPLC on an ODS column, and the major inhibitor was iden- tical to L-3,4-dihydroxyphenylalanine(L-DOPA). 19 The identification was confirmed by co- chromatography with an authentic sample us...

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... 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, ... Ethnopharmacol., 10, 18 1-1 94, 198 4. 19. Jambor, J. and Skrzypczak, L., Acta Societatis Botanicorum Poloniae, 60, 11 9-1 25, 199 1. 20. Kaufmann, H.P., Chem. Abstr., 43, 136g, 194 9....

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... 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 ... 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 195 9 to produc...

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... natural compounds: (24R )-1 4α-methyl-5α-ergostan-3-one; 14α-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)-s...

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... ana- logs [(± )-1 9b, -1 9c, -1 9d, -2 0a, -2 0b, -2 0c, and -2 0d] of 2, could be synthesized from (± )-1 8a-d (Scheme 8.4). 22 In principle, this method would be applied to synthesize the optically active form. 23,24 ... aromatic amino acids), not naturally occurring JA-Gly, JA-β-Ala, JA-ACC, JA-(+)-coronamic acid were also synthesized. Among them, JA-Leu, JA-Ile,...

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... 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 ... herbicides (pendimetha- lin [N-(1-ethylpropyl )-3 ,4-dimethyl-2,6-dinitrobenzenamine]; thiobencarb [S-[(4-chlorophe- nyl)methyl]-diethylcarbamothioate]; quinclorac (3,7-dichloro-8-quinolineca...

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... 199 4. 31. Delabays, N., Benakis, A., and Collet, G., Acta Hortic., 330, 203, 199 3. 32. Laughlin, J.C. Acta Hortic., 331, 53. 199 3) 33. ElSohly, H.N., Croom Jr., E.M., El-Feraly, F.S., and El-Sherei, ... 154, 107, 199 3. With permission.) © 199 9 by CRC Press LLC 43. Knox, J.P. and Dodge, A.D., Plant Cell Environ., 8, 19, 198 5. 44. Curtis J.D. and Lersten, N.R., New Phytol., 114, 5...

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