## Abstract The mechanistic alternatives in the literature for quinone dehydrogenations of hydroaromatic to aromatic hydrocarbons are reviewed. In a kinetic study of the reaction of DDQ 16 with 9,10‐dihydroanthracene (13) or xanthene (17) small solvent effects and small rate differences between 13
Radiation chemical formation of colloidal iridium and mechanism of catalysed hydrogen formation by radicals
✍ Scribed by German Mills; Arnim Henglein
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 418 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0146-5724
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📜 SIMILAR VOLUMES
**Short‐lived radicals such as __(1)__ can be compelled to undergo unusual reactions** if they are generated in the presence of a metal colloid catalyst in aqueous solution. Instead of combining, disprotionating, or dismuting, the radicals __(1)__ participate in a redox process leading to evolution
## Abstract 1,3‐Cyclohexadiene, 1,3‐cycloheptadiene and cycloheptatriene are smoothly hydrogenated to cyclohexene and cycloheptene, respectively, when heated to 260–340°C with an excess of 9,10‐dihydroanthracene (DHA) in diphenyl ether or benzonitrile. On the basis of a mechanistic study a nonchain