Solvent effect on the α-effect for reaction of p-nitrophenyl diphenylphosphinate with N-methyl 4-methoxy benzohydroxamate ion
✍ Scribed by Ashish Shrivastava; Kallol K. Ghosh
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 198 KB
- Volume
- 141
- Category
- Article
- ISSN
- 0167-7322
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## Abstract Pseudo‐first‐order rate constants have been determined for the nucleophilic substitution reactions of __p__‐nitrophenyl acetate with __p__‐chlorophenoxide (4‐ClC~6~H~4~O^−^) and __N__‐phenylbenzohydroxamate (C~6~H~5~CON(C~6~H~5~)O^−^) ions in phosphate buffer (pH 7.7) at 27°C. The effec
The magnitude of the a-effect for reactions of 4-nitrophenyl substituted benzoates with a pair of anionic nucleophiles is independent of the electronic nature of the acyl substituent, while the one for the corresponding reactions with a pair of neutral nucleophiles increases as the acyl substituent