𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Vinylic cations from solvolysis. IV. Absence of β-aryl participation in the solvolysis of triarylvinyl halides

✍ Scribed by Zvi Rappoport; Yitzhak Apeloig

Publisher
Elsevier Science
Year
1970
Tongue
French
Weight
202 KB
Volume
11
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Vinylic cations from solvolysis. XVI. Hi
Vinylic cations from solvolysis. XVI. High kcis/ktrans reactivity ratio in the solvolysis of α-bromo-β-tert-butyl-p-methoxystyrenes
✍ Zvi Rappoport; Addy Pross; Yitzhak Apeloig 📂 Article 📅 1973 🏛 Elsevier Science 🌐 French ⚖ 185 KB

The introduction of two S-substituents into a vinylic system has a relatively small effect on the rate of SN1 solvolysis, 2 while with S-monomethyl a-activated vinyl halides k cis'ktrans values of 8.3 , ' and ~a. 9.5 , 4 vere found. The largest

β-deuterium kinetic isotope effects in t
β-deuterium kinetic isotope effects in the solvolysis of 2-aryl-1,1,1-trifluoro-2-propyl tosylates and of 2-aryl-2-profyl p-nitrobenzoates. Evidence for a variation of the contribution of α-methyl substituent in stabilizing cationic reaction centers with different electron demand
✍ Kwang-Ting Liu; Yuh Wern Wu 📂 Article 📅 1986 🏛 Elsevier Science 🌐 French ⚖ 251 KB

A very high S-deuterium kinetic isotope effect, k(CH3)/k(CD3) =2.l3 at ~o'c, was found for the solvolysis of 2-(3'-chlorophenyl)-l,l,l-trifluoro-2propyl tosylate(&) and the a-CD3 analogue