Synthesis, Bioactivities and Phloem Uptake of Dipeptide-chlorantraniliprole Derivatives

Overview

Journal BMC Chem

Publisher Springer Nature

Specialty Chemistry

Date 2020 Apr 8

PMID 32259134

Authors

Shijie Zheng

Xiaomin Lin

Hanxiang Wu

Chen Zhao

Hanhong Xu

Affiliations

Soon will be listed here.

Abstract

Phloem systemicity is a desirable property for insecticides to control sucking insects. However, the development of phloem systemic insecticides is challenging. One possible strategy is to link existed insecticides with endogenous substances so that the resulting conjugates can be transported by specific transporters into the phloem. In this study, novel dipeptide promoieties were introduced into chlorantraniliprole, which is an efficient and broad-spectrum anthranilic diamide insecticide without phloem mobility. Twenty-two new dipeptide-chlorantraniliprole conjugates have been synthesized. Systemic tests showed that all conjugates exhibited phloem mobility in . In particular, compound with alanyl-alanine dipeptide fragment was able to accumulate in phloem sap (114.49 ± 11.10 μM) in the form of its hydrolysis product . Results of bioassay showed that conjugates and were able to exhibit comparable insecticidal activity against L. and compared to its parent compound chlorantraniliprole. This work demonstrated that the dipeptide structures were able to contribute to the improvement of the uptake and phloem mobility of chlorantraniliprole, and two phloem mobile conjugates with satisfactory in vivo insecticidal effect was obtained as new candidates for high-efficient insecticides.

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