Thermolyse der Δ2-1.2.3-Triazolin-4-carbonester; Chemismen des Triazolin-Zerfalls
✍ Scribed by Szeimies, Günter ;Huisgen, Rolf
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1966
- Tongue
- English
- Weight
- 697 KB
- Volume
- 99
- Category
- Article
- ISSN
- 0009-2940
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Synthesis and Cycloadditions of 1,5-Bis(3,5-dioxo-A1-1 ,2,4-triazolin-4-ylmethyl)-2,4-dimethylbenzene The synthesis and properties of the title compound 3 are described as well as its (4 + 2)-cycloadditions with cyclic dienes and anthracene to give the bis-adducts 4-6. With the bis(9-anthryl-methy1
## Abstract Die 4‐Aryl‐1,2,4‐triazolin‐3,5‐dione **1a–c** (R‐TAD) zerfallen bei UV‐Bestrahlung (Pyrex, λ > 313 nm) in Stickstoff, Kohlenmonoxid und Arylisocyanate (**2a–c**). In aliphatischen Ethern findet eine thermische wie photochemische Substitution am α‐C‐Atom statt (**4a–c**); in Anisol erfol