Template‐Directed Ring‐Closing Metathesis: Synthesis and Polymerization of Unsaturated Crown Ether Analogs | Zendy

Marsella Michael J. | Zendy; Maynard Heather D. | Zendy; Grubbs Robert H. | Zendy

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Template‐Directed Ring‐Closing Metathesis: Synthesis and Polymerization of Unsaturated Crown Ether Analogs

Author(s) -

Marsella Michael J.,

Maynard Heather D.,

Grubbs Robert H.

Publication year - 1997

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199711011

Subject(s) - romp , metathesis , ring opening metathesis polymerisation , acyclic diene metathesis , ring closing metathesis , polymerization , depolymerization , chemistry , olefin metathesis , ether , catalysis , polymer chemistry , crown ether , polymer , organic chemistry , ion

A highly efficient combination: template directing and olefin metathesis. The polyether dienes 1 react in good yields to give crown ethers 2 in the presence of LiClO 4 and the Ru catalyst 3 (Cy = cyclohexyl). Ring‐opening metathesis polymerization (ROMP) of the cyclic olefins 2 results in polymers that are capable of regenerating 2 by template‐directed methathesis depolymerization.

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