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Synthesis and Precocious-metamorphosis-inducing Activity of 3-Pyridyl Ethers by Kuwano, Eiichi; Shimizu, Motohisa; Shimazu, Kenshi; Nakazawa, Satoshi; Suzuki, Koichi is a Agricultural and Biological Sciences article available to read on EtoBox.

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A new series of 5-(substituted phenoxy)pentyl 3-pyridyl ethers induced precocious metamorphosis in larvae of the silkworm, Bombyx mori. Both 2-and 4-pyridyl ethers were inactive, indicating that the 3-pyridine moiety was essential for the activity. Octyl, dodecyl and farnesyl 3-pyridyl ethers had no activity. Among the compounds tested so far, 5-(4-propylphenoxy)pentyl 3-pyridyl ether showed the highest activity. The activity fell o † with increasing or decreasing length of the carbon chain between two oxygen atoms. Introduction of a methyl group at the 6 position of the pyridine ring completely eliminated the activity. Precocious metamorphosis induced by 3-pyridyl ethers was fully reversible by a simultaneous application of a small amount of tebufenozide, an ecdysteroid agonist, or methoprene, a JH agonist. 1998 SCI.

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Author

Kuwano, Eiichi; Shimizu, Motohisa; Shimazu, Kenshi; Nakazawa, Satoshi; Suzuki, Koichi

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1526-498X)

Published

1998

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)