A highly effective method for the selective removal of chlorine from the 7-position of the 1,2,4-triazolo[1,5-a]pyrimidine ring in the presence of chlorine at the 5 - or 6 -positions is reported. The method involves treatment of the appropriate substrate with zinc-copper couple in the presence of ac
Stereochemistry of Substitution at the Cyclopropane Ring in 7-Aminonorcaranes
✍ Scribed by Prof. Dr. Elmar Vilsmaier; Dipl.-Chem. Wolfgang Tröger; Michael Gewehr
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 241 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
The reaction rates of 2-chloro-3,5-dinitropyridine 1 with a series of arylthiolates 2a-h in methanol have been measured at 25°C. The products are the corresponding 2-thioaryl-3,5-dinitropyridine 3a-h. Good Hammett correlation with value Ϫ1.19 was obtained suggesting an elimination-addition mechanism
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