Ionic 3,4-bis(bromodiprophenyl)cyclobut-3-ene-1,2-dione and 3,4-bis(diphenylmethylene)cyclobutane-1,2-dione. A novel photooxygenation of 1,2-dibromo-3,4-bis(diphenylmethylene)cyclobut-1-ene
β Scribed by Fumio Toda; Hiroshi Ishihara; Katsuhiko Akagi
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- French
- Weight
- 183 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0040-4039
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J. D. Roberts zeigte 2) , daB ein Austausch des Broms im 2-Brom-l-phenylcyclobut-I-en-J,4-dion (2) gegen Jod unter den Bedingungen der Finkelstein-Reaktion ohne Schwierigkeiten miiglich ist. Daher erschien es uns sinnvoll, zu untersuchen, ob das Halogenatom in (i) unter gleichen Bedingungen such geg
## Abstract For Abstract see ChemInform Abstract in Full Text.
## Crystal structures o f 1 ,3-dichloro-l,3-diazetidine-2,4dione (1) and the hitherto unknown compound 1,3bis(trimethylsilyl)-1,3-diazetidine-2,4-dione (2) have been determined by X-ray crystallography: 1: (CINCO),,