| 摘要 |
Phenoxyalkanes ≮I; R = H, R3R4C6H3, R3R4-substituted pyridyl; R3, R4 independently = H, CF3, halo, alkyl, NO2, cyano; R1 = H, alkyl; R2 = CO2H, CH2OH, H2C:CHCH2O2C, (halo) alkoxycarbonyl, S-alkylthiocarboxy, CONH2, alkylcarbamoyl, CONHPh≉were prepd. by treating 4-ROC6H4OH with R1 CHR5CHR6CHR7R2(R5 = halo, R6, R7 are different. and = H, halo≉in the presence of a a H halide cleaver and a polar solvent or a combination of a non-polar solvent and a quaternary ammonium or phosphonium salt.
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