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New Findings in the Electrophilic Addition of Halogens to Olefins

✍ Scribed by Priv.-Doz. Dr. Rainer Herges

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
322 KB
Volume
34
Category
Article
ISSN
0044-8249

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πŸ“œ SIMILAR VOLUMES

Polar Effects in the Addition of Alkyl R
Polar Effects in the Addition of Alkyl Radicals to Olefins
✍ Priv.-Doz. Dr. Bernd Giese; Dipl.-Chem. JΓΌrgen Meister πŸ“‚ Article πŸ“… 1977 πŸ› John Wiley and Sons 🌐 English βš– 198 KB πŸ‘ 2 views

**The presence of a negative partial charge on the benzylic carbon atom in the transition state** __(1)__ can be deduced from the experimentally determinable Hammett Ο± values. Alkyl radicals R^Λ™^ are accordingly seen to develop nucleophilic properties during addition to olefins. equation image

The Addition of 2-Oxido-2-cyclopenten-1-
The Addition of 2-Oxido-2-cyclopenten-1-ylium to Some Olefins and Dienes in 2,2,2-Trifluoroethanol
✍ Johannes Leitich; Ingeborg Heise πŸ“‚ Article πŸ“… 2001 πŸ› John Wiley and Sons 🌐 English βš– 448 KB

The title reaction has been studied with 2-methoxypropene, (E)-cyclooctene, ethoxyethene, 1,3-cyclopentadiene, 3methylenecyclohexene, styrene and isoprene as the olefinic substrates. This sequence is one of decreasing reactivity of the substrates towards 2-oxido-2-cyclopenten-1-ylium (1) if [4 + 3]