A theoretical study on the photochemical reactions of 2,3-diazabicyclo[2.1.1]hex-2-ene
✍ Scribed by Hidetsugu Tanaka
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 772 KB
- Volume
- 91
- Category
- Article
- ISSN
- 0301-0104
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Table 1. Selected physical properties of ( 5 a ) and (56) "C-NMR (in CDCl3, T M S internal) c-1 109.2 C-CN 97.4, 98.9, 102.0 c-4 108.9 c -5 c-1 ' 124.5 c -2 , c-3' 131.1 IR ( K B r ) [cm-'1 C=N 2210 Cyclopropene [5] 1898, 1550 UV(CH3CN) [ n m l (log&) 240 (4.61), 278 (4.23) 'H-NMR (100 MHz, CDClj, T
## Abstract A one‐pot three‐component procedure to efficiently create the 1,3‐diazabicyclo[3.1.0]hex‐3‐ene system is reported. The molecular structure of 2,4,6‐triphenyl‐1,3‐diazabicyclo[3.1.0]hex‐3‐ene (**3**) was studied by X‐ray diffraction and compared to __ab initio__ and density‐functional‐th
## Abstract (1‐Diazo‐2‐oxoalkyl)silanes 1a–h react with cyclopropene 4 to form 2‐silyl‐2,3‐diazabicyclo[3.1.0]hex‐3‐enes 5 and/or 1‐silyll‐1,4‐dihydropyridazines 6. In most cases, a temperature‐ and solvent‐dependent equilibrium 5 ⇄ 6 maintained by an __N__ →__N__′ silyl shift exists in solution. W