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. Author manuscript; available in PMC: 2013 Aug 15.
Published in final edited form as: Bioorg Med Chem Lett. 2012 Jul 5;22(16):5177–5181. doi: 10.1016/j.bmcl.2012.06.076

Table 2.

Larvicidal effect of GCA derivatives of 2nd instar mosquito larvae

Name Ae. aegypti mortality
An. stephensi mortality
Statisticsc
Mean SEM Statisticsa LC50d Mean SEM Statisticsb LC50d
DMSO control 0.0 0.0 0.0 0.0 ns
GCA-1 Ent 1 4.7 2.6 ns 0.0 0.0 ns ns
GCA-2 Ent 2 18.1 4.0 ** 83.4 2.8 *** ***
GCA-3 Diasteromer 1.5 1.5 ns 0.0 0.0 ns ns
GCA-4 Hydrogenated 12.3 2.6 ns 57.5 8.1 *** ***
GCA-5 N-Methyl 96.2 1.9 *** 0.1 100.0 0.0 *** 0.1 ns
GCA-6 N-Acyl 1.7 1.7 ns 0.0 0.0 ns ns
GCA-7 de-2-F-GCA 0.0 0.0 ns 0.0 0.0 ns ns
GCA-8 de-Pyridyl-GCA 0.0 0.0 ns 0.0 0.0 ns ns
GCA-9 de-4-F-GCA 91.4 7.0 *** 0.2 100.0 0.0 *** 0.2 ns
GCA-10 thiazole-GCA 0.0 0.0 ns 37.6 2.1 *** **
GCA-11 tBu-GCA 15.4 4.4 * 86.4 9.7 *** ***
GCA-12 2-Pyridyl-GCA 100.0 0.0 *** 0.1 100.0 0.0 *** 0.1 ns
GCA-13 4-CF3-GCA 5.3 5.3 ns 0.0 0.0 ns ns
GCA-14 GCA-ArCN 0.0 0.0 ns 0.0 0.0 ns ns
GCA-15 GCA-ArBnNHAc 0.0 0.0 ns 0.0 0.0 ns ns
GCA-16 GCA-ArBnAm 91.7 1.7 *** 0.2 81.7 4.6 *** 0.1 ns
GCA-17 GCA-ArCF3 5.9 5.9 ns 0.0 0.0 ns ns
GCA-18 GCA-ArAmPip 100.0 0.0 *** 0.05 100.0 0.0 *** 0.05 ns
GCA-19 GCA-ArAmHept 0.0 0.0 ns 0.0 0.0 ns ns
GCA-20 GCA-ArAmNapth 0.0 0.0 ns 0.0 0.0 ns ns
GCA-21 GCA-ArAmArCF3 0.0 0.0 ns 0.0 0.0 ns ns

Statistical significane levels are shown as ns: not significant,

*

P<0.05,

**

P<0.01,

***

P<0.001.

a

Statistical comparison between DMSO and GCA derivatives in Ae. aegypti.

b

Statistical comparison between DMSO and GCA derivatives in An. stephensi.

c

Statistical comparison between Ae. aegypti and An. stephensi for each GCA derivative.

d

LC50 (50% the lethal concentration in mM) was determined in Ae. aegypti and An. stephensi.