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Photo-sensitized oxygenation of (1H)-1,2-diazepines

โœ Scribed by Takashi Tsuchiya; Heihachiro Arai; Hiroshi Hasegawa; Hiroshi Igeta

Publisher
Elsevier Science
Year
1974
Tongue
French
Weight
209 KB
Volume
15
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

In connection with the interesting behavior of the dye-sensitized photooxygenation of various N-heterocycles 1 and seven-membered conjugated trienes such as cycloheptatrienes 2 and tropolones,' . it seemed of general interest to examine such reaction of aza-cycloheptatrienes, e.g., azepines and diazepines.

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Au depart de (1-H)-diazepines-1,2 une serie de systemes polyheterocycliques nouveaux ont pu &re synthetises au moyen de reactions de cycloaddition (2,3,4). Nous decrivons ci-apres la dimerisation acido-catalys6e des diazepines 1, qui consiste en une cycloaddition de Diels-Alder d'un type inedit.