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- W830301371 abstract "The rate constants for the nucleophilic addition reactions of thiourea to -nitrostyrene derivatives(p-H, p-Cl, p-CH, p-OCH, p-NO) were determined by UV spectrophotometer and rate equations which can be applied over a wide pH ranges were obtained. On the basis of substituent effect, general base catalysis and rate equations, a reaction mechanism was proposed and revealed quantitively. Above pH 9.00, sulfide anion adds to the double bond(Michael type addition) and between pH 7.00 and 9.00, the neutral molecules and its anions add to the double bond competitively. Below pH 7.00, the addition reaction to double bond is initiated by the addition of neutral thiourea molecule." @default.
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- W830301371 date "1991-01-01" @default.
- W830301371 modified "2023-09-28" @default.
- W830301371 title "Kinetic Studies on the Nucleophilic Addition of Thiourea to ${beta}$-Nitrostyrene Derivatives" @default.
- W830301371 hasPublicationYear "1991" @default.
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