4'-Chloro-2,2':6',2''-terpyridine ALDRICH
4?-Chloro-2,2?:6?,2??-terpyridine (4?-Cltpy, Cltpy, Cl-terpy) is a tridentate ligand that contains a terpyridine (tpy) site with a Cl site at the 4 -position. It coordinates with various metal ions through these two sites to form different coordination polymers. Crystal structure study shows terpyridine unit of Cltpy adopts a trans, trans conformation. Mol-ecules assemble themselves into stacked columns along the b axis, with an inter-planar distance of 3.51?. It undergoes Williamson type ether reactions with ?,?-bishydroxy-functionalized poly(propylene oxide). It undergoes Williamson type reaction with ?-hydroxy-?-carboxy-functionalized poly(ethylen-oxide) to afford monoterpyridine terminated telechelics.
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