PYROTHIOCARBONATES I. AMINOLYSIS OF S-(ETHOXYCARBONYL) O-ETHYL DITHIOCARBONATE
✍ Scribed by Palominos, Mario A.; Santos, José G.; Valderrama, Jaime A.; Vega, Juan C.
- Book ID
- 120268129
- Publisher
- Informa UK (Taylor & Francis)
- Year
- 1983
- Weight
- 368 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0308-664X
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The aminolysis reactions of O-ethyl S-(Z-phenyl) dithiocarbonates ( H, Z ϭ p-CH , 3 p-Cl, and p-NO 2 ) with anilines (AN) and N,N-dimethylanilines (DMA) in acetonitrile at 30.0ЊC are investigated. Relatively small values of and for  ( ,0.4 ca. 0.7)  ( Ϫ0.1 ca. Ϫ0.4) X n u c Z l g both ANs and DM
## Abstract The reactions of secondary alicyclic amines with the title substrate (PDTC) are subjected to a kinetic study in 44 wt.% aqueous ethanol, 25.0°C, ionic strength 0.2 M (KCl). Pseudo‐first‐order rate coefficients (__k__~obs~) are found under amine excess. Linear plots of [__N__]/__k__~obs~
The reactions of the title substrate with a series of secondary alicyclic amines are subjected to a kinetic study in 44 wt% aqueous ethanol, 25.0°C, and ionic strength 0.2 M (KC1). The Bronsted-type plot (log k~ vs. pKa of the amine, where k~ is the second-order rate coefficient) obtained is linear