Synthesis and Insect Growth Regulatory Activity of 1,5-Disubstituted Imidazoles with Non-terpene Chains

1991 ◽  
Vol 55 (12) ◽  
pp. 2999-3004
Author(s):  
Eiichi Kuwano ◽  
Tomomi Hisano ◽  
Morifusa Eto
Keyword(s):  
Regulatory Activity ◽  
Insect Growth

scholarly journals Isolation and Structure of Cordifolin, A Novel Insecticidal Oxygenated Chalcone, from the Stem of Tinospora Cordifolia Miers

2006 ◽  
Vol 1 (7) ◽  
pp. 1934578X0600100 ◽  
Author(s):  
Najam A. Shakil ◽  
Dinesh B. Saxena
Keyword(s):  
Spodoptera Litura ◽  
Chemical Structure ◽  
Spectroscopic Analysis ◽  
Ethanolic Extract ◽  
Natural Source ◽  
Tinospora Cordifolia ◽  
Regulatory Activity ◽  
Insect Growth ◽  
First Time

Cordifolin, a chalcone reported for the first time from a natural source, has been isolated from the ethanolic extract of the woody stem of Giloe (Tinospora cordifolia). The chemical structure was established as 1-(2′,3′,4′-trihydroxyphenyl)-3-(4′‘-methoxyphenyl)-propen-1-one by spectroscopic analysis. The compound exhibited good insect growth regulatory activity against larvae of Spodoptera litura.

scholarly journals Synthesis and Insect Growth Regulatory Activity of 1-Neopentyl-5-substituted Imidazoles

10.5109/23947 ◽  
1990 ◽  
Vol 35 (1/2) ◽  
pp. 35-41
Author(s):  
Eiichi Kuwano ◽  
Masamichi Kikuchi ◽  
Morifusa Eto
Keyword(s):  
Regulatory Activity ◽  
Insect Growth

Natural Products with Insect Growth and Behavior Regulatory Activity NEUROHORMONES IN SILKWORM, Bombyx mori

1983 ◽  
pp. 97-102
Author(s):  
Akinori Suzuki ◽  
Hiromichi Nagasawa ◽  
Shogo Matsumoto ◽  
Hiroshi Kataoka ◽  
Akira Isogai ◽  
...  
Keyword(s):  
Natural Products ◽  
Bombyx Mori ◽  
Regulatory Activity ◽  
Insect Growth ◽  
And Behavior ◽  
Silkworm Bombyx Mori

Insect growth regulatory activity of carvacrol-based 1,3,4-thiadiazoles and 1,3,4-oxadiazoles

2018 ◽  
Vol 22 (3) ◽  
pp. 647-655 ◽  
Author(s):  
Suresh D. Bagul ◽  
Jamatsing D. Rajput ◽  
Chitra Srivastava ◽  
Ratnamala S. Bendre
Keyword(s):  
Regulatory Activity ◽  
Insect Growth

scholarly journals Insect Growth Regulatory Activity of Blechnum chilense

2011 ◽  
Vol 6 (8) ◽  
pp. 1934578X1100600
Author(s):  
A. Hincapié L. Carlos ◽  
Monsalve F. Zulma ◽  
Katherine Parada ◽  
Claudio Lamilla ◽  
Julio Alarcón ◽  
...  
Keyword(s):  
Drosophila Melanogaster ◽  
Insecticidal Activity ◽  
Larval Mortality ◽  
Adult Mortality ◽  
Hexane Fraction ◽  
Phytochemical Analysis ◽  
Regulatory Activity ◽  
Insect Growth ◽  
The Dead ◽  
Ecdysis Triggering Hormone

The genus Blechnum has 13 species that are common plants, well-distributed in Chile. Here, we report a phytochemical analysis of B. chilense (Kaulf.) Mett., as well as the insecticidal effects of extracts of this plant. From the n-hexane fraction four phytoecdysones were isolated: ecdysone, ponasterone, shidasterone and 2-deoxycrustecdysone. A bioassay with Drosophila melanogaster larvae was used to evaluate insecticidal activity. The EtOAc and n-hexane fractions at 800 ppm caused 66.7 and 50.0% larval mortality, respectively. Treatments with both extracts at 800 ppm caused the greatest larval mortality, whereas treatments with 500 and 200 ppm induced premature pupation compared with the control and the highest adult mortality, probably due to interference with ecdysteroid metabolism and inhibition of ecdysis triggering hormone (ETH). The dead adult flies exhibited malformations.

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