A Furan-2,5-diyl Bridged Macrocage as a Highly Distorted Molecular Gyrotop

A novel molecular gyrotop with a furan-2,5-diyl was synthesized. The furan-diyl rotor showed rotation inside the cage in a solution. However, no furan-rotor dynamics was observed in a crystalline state, while a corresponding thiophenediyl derivative showed rotation in the same condition. The lack of...

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Bibliographic Details
Published inChemistry letters Vol. 49; no. 11; pp. 1291 - 1293
Main Authors Inagaki, Yusuke, Ueda, Satsuki, Yamaguchi, Kentaro, Setaka, Wataru
Format Journal Article
LanguageEnglish
Published TOKYO Chemical Soc Japan 05.11.2020
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
PHENYLENE ROTATOR
Crystalline molecular gyrotop
ROTOR
FURAN
Molecular machine
CAGE
GYROSCOPE
Hetero 5-membered aromatics
THIOPHENE
DIPOLE-MOMENTS
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Summary:A novel molecular gyrotop with a furan-2,5-diyl was synthesized. The furan-diyl rotor showed rotation inside the cage in a solution. However, no furan-rotor dynamics was observed in a crystalline state, while a corresponding thiophenediyl derivative showed rotation in the same condition. The lack of dynamics in the furan derivative resulted from the deformed structure of the cage caused by the small intersecting angle between two Si-C(aromatic) bonds.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.200533