Stepwise Mechanism of the Aminolysis of O-Ethyl S-(4-Nitrophenyl) Thiocarbonate
✍ Scribed by Castro, Enrique A.; Cubillos, Maria; Santos, Jose G.
- Book ID
- 126167235
- Publisher
- American Chemical Society
- Year
- 1994
- Tongue
- English
- Weight
- 326 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0022-3263
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📜 SIMILAR VOLUMES
The kinetics and mechanism of the reactions of O-ethyl S-(Z)aryl thiocarbonates with (X)benzylamines in acetonitrile at 45.0ЊC are studied. Relatively small values of  X ( nuc ) ϭ 0.6 ϳ 0.8 and  Z ( lg ) ϭ Ϫ0.5 ϳ Ϫ0.7 together with a negative cross-interaction constant XZ (ϭ Ϫ0.47) and failure o
## Abstract The reactions of __S__‐methyl __O__‐(4‐nitrophenyl) thiocarbonate (1) and __S__‐methyl __O__‐(2,4‐dinitrophenyl) thiocarbonate (2) with a series of secondary alicyclic (SA) amines and phenols are subjected to a kinetic investigation. Under nucleophile excess, pseudo‐first‐order rate coe
## Abstract The reactions of the title substrates with a series of secondary alicyclic amines are subjected to a kinetic study in 44 wt% aqueous ethanol, at 25.0deg;C, ionic strength 0.2 M (maintained with KCl). Pseudo‐first‐order kinetics are found under amine excess. The order in amine obtained i