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Synthesis of poly[2]catenane having rigid linkage by 1,3-dipolar cycloaddition of diazido[2]catenane with 4,4′-diethynylbiphenyl

✍ Scribed by Toshiki Hagiwara; Manabu Yamazaki; Tomohiro Suzuki; Takashi Sawaguchi; Shoichiro Yano


Book ID
113857456
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
423 KB
Volume
52
Category
Article
ISSN
0032-3861

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## Abstract The reaction of N‐aryl‐C‐ethoxycarbonyl nitrilimines with [1,2,4]triazepin‐3,5‐dithione leads to title compounds. The 1,3‐dipolar cycloaddition is completely peri and regioselective. The preferred orientation of addition is predicted correctly by AM~1~ calculation.