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1,3-Dipolar cycloadditions of 2-ethoxy- and 2-(ethylthio)-1-azetines with nitrilimines

✍ Scribed by Abdul-Basset N. Luheshi; Robert K. Smalley; P.D. Kennewell; R. Westwood

Publisher: Elsevier Science
Year: 1990
Tongue: French
Weight: 198 KB
Volume: 31
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)94352-1

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✦ Synopsis

I,3-Dipolar q&additions ofdiphenylnim%nines with 2&O-and2EtS-temmzethyi-I-azetines (la,b) are accompanied by ring-opening and loss of EtXH (LX = 0 or S) to give 1,2,4-triasoies (3), whereas with N-(4-nitrophenyl) nimXmines the qected cycloadducts andlor ring-opened products are formed.

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