1H nmr chemical shifts of [14]annulenes and their dianion salts : A combined experimental and theoretical approach
✍ Scribed by Kay-Uwe Klabunde; Klaus Müllen; Helmut Vogler
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- French
- Weight
- 1012 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0040-4020
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## Abstract Four novel 3‐alkyl(aryl)‐4‐(4‐methoxycarbonylbenzylidenamino)‐4,5‐dihydro‐1__H__‐1,2,4‐triazol‐5‐ones (**2**) were synthesized by the reactions of 3‐alkyl(aryl)‐4‐amino‐4,5‐dihydro‐1__H__‐1,2,4‐triazol‐5‐ones (**1**) with methyl 4‐formylbenzoate and characterized by elemental analyses a