Azinoiminophosphorane mediated 1,2,4-tri
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Chang Hoon Lee; Kee-Jung Lee
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Article
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2002
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Journal of Heterocyclic Chemistry
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English
β 30 KB
## Abstract The azaβWittig reaction of benzophenoneβ or acetophenone 1β[(triphenylphosphoranylidene)amino]βethylidenehydrazone (**4**) with aromatic aldehydes provides a new route to 1,2,4βtriazoles 7 __via__ the thermal reaction of the expected azinoimines 5.