Process for the preparation 1-triazolylethyl ether derivatives

Details Process for the preparation 1-triazolylethyl ether derivatives Process for the preparation 1-triazolylethyl ether derivatives

C - Chemistry, Metallurgy

07

D

260/313, 167/9.7

C07D 249/08 (2006.01) A01N 43/653 (2006.01) C07C 43/178 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1223264

- 1 - Process for the preparation of 1-triazolylethyl ether deriv- atives Abstract Essentially, a process is described for the prepar- ation of the 1-triazolylethyl ether derivatives, defined in Claim 1, of the general formula I Image (I) which consists in a) reacting an oxirane of the formula II Image (II) at temperatures of -20° to +100°C, in the presence of an acid catalyst or an acid condensation agent, with an alcohol of the formula III R3 - OH (III) to give a glycol monoether of the formula IV Image (IV) - 2 - and b) subsequently reacting the glycol monoether of the formula IV or one of its esters, in the presence of an acid-binding agent or condensation agent, at temperatures of 0° to 150°C, with a triazole of the formula V Image (V) the substituents R1, R2 and R3 in the formulae II to IV being as defined under formula I and M in formula V being hydrogen or a metal atom. The novel compounds provided by this process find use as plant fungides.

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