Tetrahedron Letters p. 6483 - 6486 (1992)
Update date:2022-08-30
Topics:
Um
Yong
Kwon
Ahn
Lee
Rate constants have been measured for the reaction of p-nitrophenyl diphenylphosphinate with aryloxides in ethanol. The reactivity of the less basic phenoxide decreases in the order K+-18-crown ether-6 > K+ > Na+ > Li+, which leads a conclusion that alkali metal-bound aryloxides are less reactive than the dissociated ones in the present system.
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