Pesticide & Aamer Saeed email@example.com Department of Chemistry, Quaid-i-Azam University, 45320 Islamabad, Pakistan 123 6806 A. Saeed et al. Keywords Fipronil Pyrazole parasiticide Introduction Phenyl pyrazoles show a wide range of biological activities . Fipronil (5-amino- 1-[2,6-dichloro-4-(triﬂuoromethyl)-phenyl]-4-triﬂuoromethyl sulﬁnyl-lH- pyrazole- 3-carbonitrile) (1) is a phenyl pyrazole containing six ﬂuorine and two chlorine atoms and a cyano substituent (Fig. 1). It is effective against a host of crop insect pests, including grasshoppers, boll weevils, rice insects, termites, house ﬂies, fruit ﬂies, and thrips . The literature is replete with reports of the pesticidal activity of ﬁpronil [3, 4], a highly effective broad-spectrum insecticide widely used for fruits, vegetables, coffee, rice, and other crops, as well as for seed treatment and soil injection [5, 6]. It is registered for use by lawn care and pest control operators to treat golf courses and food-handling establishments. These features of ﬁpronil prompted us to review its recent synthetic applications, for which we surveyed the literature from 2005 to the present. Many patents have been published recently describing the synthesis of ﬁpronil at length. Moreover, various synthetic analogs have been created to examine its bioactivity. A key step involved in the synthesis of ﬁpronil is
Research on Chemical Intermediates – Springer Journals
Published: Apr 4, 2016
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