An Efficient K₂CO₃-Promoted Synthesis of 1-Bromo-2-aryloxyethane Derivatives and Evaluation of Larval Mortality against Aedes aegypti

Table 2

Amounts of anhydrous K₂CO₃ (a) and 1,2-dibromoethane-DBE (b) for the direct substitution reaction of phenol to 1-bromo-2-phenoxyethane.

(a)

Entry	Phenol/K2CO3 ratio	(%)
1	1 : 1	64
2	1 : 2	77
3	1 : 3	85
4	1 : 5	87

(b)

Entry	Phenol/DBE ratio	(%)
1	1 : 1	45
2	1 : 3	77
3	1 : 5	85
4	1 : 7	87

yield.