Ring Closing Metathesis Using Chiral Template Consisting of Hard and Soft Parts | Zendy

Siddiki Hakim S. M. A. | Zendy; Sugimura Takashi | Zendy

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Ring Closing Metathesis Using Chiral Template Consisting of Hard and Soft Parts

Author(s) -

Siddiki Hakim S. M. A.,

Sugimura Takashi

Publication year - 2010

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.200900039

Subject(s) - ring closing metathesis , yield (engineering) , metathesis , ring (chemistry) , phthalate , materials science , chemistry , stereochemistry , organic chemistry , polymer , composite material , polymerization

Summary: Macrocyclic compounds having 18‐, 19‐, 22‐, and 23‐membered rings were prepared quantitatively by ring closing metathesis of diene substrates consisting of a rigid o ‐ or m ‐phthalate group and flexible but geometrically regulated 2,4‐pentanediol tethers. From the p ‐phthalate analogues, the ring closing metathesis and the cyclic dimmer formation were observed to give 24‐membered ring (70% yield) and 40‐membered ring (65% yield) respectively.

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