Tebufenpyrad is an acaricide used on vines, citrus, vegetables, cotton, and fruit. It is trade named as Masai and Pyraniea. Tebufenpyrad is a pyrazole amide synthesized from the reaction of 1-methyl-3-ethyl-4-chloro-5-carboxylate pyrazole and 4-tert-butylbenzylamine.

1. Heterocyclic Nitrogen Compounds 517
Tebufenpyrad
Uses: acaricide, vines, citrus, vegetables, cotton, fruit
Trade names: Masai, Pyraniea (Mitsubishi)
Type: pyrazole, amide
Synthesis:
I
--C--
I
N II OH
_~,_,_1111_~I I
1 methyl 3 ethyl
4 chloro 5 carboxylate
pyrazole
/
N
I--C--
I I i
--C--C--C--
Ill
--e-
l
4 tert butyl
benzylamine
I
-C-
,'~---c--N--c---( ( )>--c--c--
ll_c ,,I _/c - -
tebufenpyrad