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Cyril A. Grob (1917–2003): Fragmentation and Inductivity

✍ Scribed by Peter Schiess

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
47 KB
Volume
43
Category
Article
ISSN
0044-8249

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📜 SIMILAR VOLUMES

Inductivity and bridging in the formatio
Inductivity and bridging in the formation of 2-norbornyl cations
✍ Cyril A. Grob; Pawel Sawlewicz 📂 Article 📅 1984 🏛 Elsevier Science 🌐 French ⚖ 199 KB

The effects of substituents at C5, C6 and C7 on the solvolysis rates of 2-norbornyl p-toluene sulfonates confirm that through space induction is directional and depends on distance and bridging strain.

Norbornanes. Part 20. Inductivity and br
Norbornanes. Part 20. Inductivity and bridging in 2-norbornyl cations
✍ Rolf Bielmann; Francesco Fuso; Cyril A. Grob 📂 Article 📅 1988 🏛 John Wiley and Sons 🌐 German ⚖ 447 KB

As derived from the Hammetr equation log k/ko = pI 'cr ? where k and ko are rate constants for substituted and unsubstituted tosylates, respectively, and u? are inductive substituent constants [2]. The p , values for C(1) in 3 and 4 are presented and discussed in this communication. The dotted lines

Inductivity and Bridging in 2-Bicyclo[2.
Inductivity and Bridging in 2-Bicyclo[2.2.2]octyl Cations. Polar Effects, Part 11
✍ Cyril A. Grob; Pawel Sawlewicz 📂 Article 📅 1984 🏛 John Wiley and Sons 🌐 German ⚖ 616 KB

Inductivity was defined as thc reaction constant p, in the equation log (klk,) = pluq, where k and k, are fmt-order rate consmiits for the substitutcd and unsubstituted tosylates, respectively, in 80% EtOH and u? i s the corresponding inductive substituent constant [3]. For recent reviews, see [2].

Beckmann Fragmentation and Rearrangement
Beckmann Fragmentation and Rearrangement. Part VII. Fragmentation and cyclization of α-methylthio-ketoximes. Fragmentation reactions no. 27
✍ Cyril A. Grob; Junya Ide 📂 Article 📅 1974 🏛 John Wiley and Sons 🌐 German ⚖ 813 KB

## Abstract α‐Methylthio‐propiophenone __anti__‐oxime __p__‐toluenesulfonate (tosylate) (**12b**) fragments quantitatively in 80% ethanol yielding benzonitrile and a methylidenesulfonium ion **15**. The __syn__‐isomer, however, undergoes a __Beckmann__ rearrangement. The fragmentation of α‐methylth