## 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),,
Ring-opening reaction of the 1,3-diazetidine ring: hydrazinolysis of 2,4-bis(heteroarylimino)-1,3-diazetidine derivatives
โ Scribed by P. Molina; M. Alajarin; C. Lopez-Leonardo; J. Elguero; R.M. Claramunt
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- French
- Weight
- 560 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0040-4020
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๐ SIMILAR VOLUMES
German workers' have repcrted recently that the reaction of 3,4-dichlorc-1,2-bensisothiasole with sodium alkcxides or with secondary smines gives the expected nucleophilic substitution product, together with small amounts of material formed by fission of the isothiaeole ring.
~~~ ~ ~ ~ 4-Aryl-substituted 3,5-bis(methylthio)-1,2-dithiolium salts 9a, 10a were isolated. 4-Alkyl-substituted 1,3-bis(methylsuch as l a react with metal cyclopentadienides 4 (M+ = TI, thio)-1,2-dithiolium salts such as l c react with thallium cyclo-Li) mainly by cleavage of the S-S bond. A subseq