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End-Capping of a Pseudorotaxane via Diels−Alder Reaction for the Construction of C60-Terminated [2]Rotaxanes

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journal contribution
posted on 28.10.2004, 00:00 by Hisahiro Sasabe, Nobuhiro Kihara, Yoshio Furusho, Kazuhiko Mizuno, Akiya Ogawa, Toshikazu Takata
The Diels−Alder reaction of various dienophiles such as C60 with a pseudorotaxane having a sultine moiety afforded corresponding [2]rotaxanes in moderate yields. The introduction of a porphyrin moiety on the wheel component considerably enhanced the efficiency of the end-capping reaction with C60.