By Jacques Mortier
Geared up to allow scholars and artificial chemists to appreciate and extend on fragrant reactions coated in beginning classes, the booklet deals an intensive and obtainable mechanistic rationalization of fragrant reactions related to arene compounds.
• Surveys equipment used for getting ready arene compounds and their transformations
• Connects reactivity and technique with mechanism
• Helps readers practice fragrant reactions in a pragmatic context through designing syntheses
• Provides crucial information regarding options used to figure out response mechanisms
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Extra resources for Arene chemistry : reaction mechanisms and methods for aromatic compounds
The MP2/6‐31+G**(fc) calculations studied the reactions of benzene with the methyl cation, the isopropyl cation, and the tert‐butyl cation. 6). Both the η1 and η2 hapticity π‐complex structures were found to be comparable in energy and about 10 kcal/mol more stable than the gas‐phase starting materials. The planar structure of the tert‐butyl cation suggests only a minimal amount of electron density has been transferred from benzene. The stable σ‐complex was also located, and it was estimated to be approximately 4 kcal/ mol more stable than the π‐complex.
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For example, Olah has described a series of very reactive electrophiles exhibiting low substrate selectivity but high positional selectivity . To explain this, it was suggested that the highest‐energy transition state resembles the σ‐complex in some SEAr reactions and the π‐complex in other SEAr reactions (vide infra). Correlating electrophilic reactivities with positional regioselectivity seems to work best in the former case. 4) nucleophilicity parameter and s is the nucleophile‐dependent slope parameter.
Arene chemistry : reaction mechanisms and methods for aromatic compounds by Jacques Mortier