𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Heterocyclic bioantioxidants. 3. Effect of a substituent on the result of the reduction of 3-nitro-4-hetero-substituted coumarins with sodium hydrosulfite

✍ Scribed by É. A. Parfenov; L. D. Smirnov


Publisher
Springer US
Year
1992
Tongue
English
Weight
424 KB
Volume
28
Category
Article
ISSN
0009-3122

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Solvent and substituent effects on the r
✍ Basim H. M. Asghar; Magda F. Fathalla; Ezzat A. Hamed 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 135 KB 👁 2 views

## Abstract The solvent effect on a nucleophilic substitution reaction of 2‐ and 4‐chloro‐3,5‐dinitrobenzotrifluoride with substituted anilines was studied in methanol, acetonitrile, and toluene at 25°C. This reaction is of second order, except 2‐chloro‐3,5‐dinitrobenzotrifluoride in toluene shows

Effect of substituents at position 4 on
✍ L. Porri; M.C. Gallazzi 📂 Article 📅 1966 🏛 Elsevier Science 🌐 English ⚖ 551 KB

Abstraet--4.Methyl-l,3-pentadiene has been polymerized by heterogeneous catalysts from AI(C2Hs) 3 and either TIC14, TIC13 or VCI3, to give polymers having almost exclusively 1,2 units, and showing crystallinity attributable to 1,2 isotactic sequences. Homogeneous systems from AI(C2Hs)3 and either a