Covalent capture of oriented calix[6]arene rotaxanes by a metal-free active template approach,Chemical Communications

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Covalent capture of oriented calix[6]arene rotaxanes by a metal-free active template approach
Chemical Communications ( IF 4.3 ) Pub Date : 2017-05-11 00:00:00 , DOI: 10.1039/c7cc02859h
Guido Orlandini _{1,

2,

3,

4,

5} , Giulio Ragazzon _{5,

6,

7,

8} , Valeria Zanichelli _{1,

2,

3,

4,

5} , Andrea Secchi _{1,

2,

3,

4,

5} , Serena Silvi _{5,

6,

7,

8} , Margherita Venturi _{5,

6,

7,

8,

9} , Arturo Arduini _{1,

2,

3,

4,

5} , Alberto Credi _{5,

9,

10,

11,

12}

Affiliation

We describe the active template effect of a calix[6]arene host towards the alkylation of a complexed pyridylpyridinium guest. The acceleration of the reaction within the cavity is significant and rim-selective, enabling the efficient preparation of rotaxanes with full control of the mutual orientation of their nonsymmetric components.

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