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J Agric Food Chem

Title:		Pyrimethanil Ionic Liquids Paired with Various Natural Organic Acid Anions for Reducing Its Adverse Impacts on the Environment
Author(s):		Tang R; Tang T; Tang G; Liang Y; Wang W; Yang J; Niu J; Tang J; Zhou Z; Cao Y;
Address:		"College of Plant Protection , China Agricultural University , Beijing , China 100193. State Key Laboratory for Quality and Safety of Agro-products, Institute of Quality and Standard for Agricultural Products , Zhejiang Academy of Agricultural Sciences , Hangzhou , China 310021"
Journal Title:		J Agric Food Chem
Year:		2019
Volume:		20191001
Issue:		40
Page Number:		11018 - 11024
DOI:		10.1021/acs.jafc.9b03643
ISSN/ISBN:		1520-5118 (Electronic) 0021-8561 (Linking)
Abstract:		"In this study, nine pyrimethanil ionic liquids (PILs) were synthesized through an acid-base reaction with nine naturally derived organic acid anions to improve the physicochemical properties and reduce the environmental adverse impacts. The PILs presented lower volatilization, higher photostability, better soil adsorption capacity, and improved fungicidal activity relative to pyrimethanil. When the length of the carbon chains in the anions was increased, the PILs showed better properties in terms of melting point, water solubility, volatility, and surface tension. The photostabilities and fungicidal activities of the PILs were significantly improved when cyclic compounds were used as the paired anion ions. With enhanced physicochemical properties and better fungicidal activity, PIL7 was selected as the best alternative to pyrimethanil. The intrinsic disadvantages of pyrimethanil could be surmounted using the system developed in the study; thus, ILs could have immense potential in the development of eco-friendly and efficient fungicides in the future"
Keywords:		"Adsorption Anions/chemistry/pharmacology Fungi/drug effects/growth & development Fungicides, Industrial/chemical synthesis/*chemistry/pharmacology Ionic Liquids/*chemistry/pharmacology Kinetics Organic Chemicals/*chemistry/pharmacology Pyrimidines/*chemis;"
Notes:		"MedlineTang, Rong Tang, Tao Tang, Gang Liang, You Wang, Weichen Yang, Jiale Niu, Junfan Tang, Jingyue Zhou, Zhiyuan Cao, Yongsong eng 2019/09/13 J Agric Food Chem. 2019 Oct 9; 67(40):11018-11024. doi: 10.1021/acs.jafc.9b03643. Epub 2019 Oct 1"