“Giant” Gyroscope‐Like Molecules Consisting of Dipolar Cl‐Rh‐CO Rotators Encased in Three‐Spoke Stators That Define 25–27‐Membered Macrocycles | Zendy

Wang Leyong | Zendy; Hampel Frank | Zendy; Gladysz John A. | Zendy

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“Giant” Gyroscope‐Like Molecules Consisting of Dipolar Cl‐Rh‐CO Rotators Encased in Three‐Spoke Stators That Define 25–27‐Membered Macrocycles

Author(s) -

Wang Leyong,

Hampel Frank,

Gladysz John A.

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200601191

Subject(s) - aryl , arc (geometry) , rotation (mathematics) , chemistry , dipole , crystallography , stereochemistry , physics , computer science , organic chemistry , engineering , mechanical engineering , alkyl , artificial intelligence

Yet another feat for the Grubbs catalyst : Reactions with 1 a , b followed by hydrogenations give 2 a , b . The sizeable cavities of 2 , which were characterized crystallographically, allow for rapid Cl‐Rh‐CO rotation in solution. Reactions with ArCCLi give ArCC–Rh–CO species; when the aryl group is sufficiently large, it is confined between two macrocycles, blocking rotation.

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