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Addition of cycloheptatrienylidene to phenyacetylene. Possible intermediacy of a spiro[2.6]nona-1,4,6,8-tetraene

✍ Scribed by Waali, Edward E.; Jones, W. M.


Book ID
127278677
Publisher
American Chemical Society
Year
1973
Tongue
English
Weight
298 KB
Volume
38
Category
Article
ISSN
0022-3263

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## Abstract Regioselective 1,3‐dipolar cycloaddition of nitrilimines (generated in situ from dehydrohalogenation of the corresponding hydrazonoyl halides by the action of triethylamine) with 4‐arylidene‐1‐aryl‐2‐phenyl‐1__H__‐imidazol‐5(4__H__)‐one **3** afforded the corresponding spiro[4,4]nona‐2,