TY - JOUR
T1 - Catalytic transesterification reactions of one-dimensional coordination polymers containing paddle-wheel-type units connected by various bridging ligands
AU - Hwang, In Hong
AU - Jo, Young Dan
AU - Kim, Hyun
AU - Kim, Kyeong Beom
AU - Jung, Kwang Deog
AU - Kim, Cheal
AU - Kim, Youngmee
AU - Kim, Sung Jin
N1 - Funding Information:
Financial support from Converging Research Center Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2012001725, 2011K000675, and 2012008875), Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (20110008018), and the RP-Grant 2013 of Ewha Womans University are gratefully acknowledged.
PY - 2013
Y1 - 2013
N2 - The paddle-wheel dinuclear unit consists of two CuII ions bridged by four benzoate ligands, and these paddle-wheel [Cu2(O 2CPh)4] units are connected by various bridging ligands to form one-dimensional chained compounds formulated as [Cu2(O 2CPh)4(μ-L)] (L = 2,4-bpe (1), 3,3'3′-dipicam (3), 2,5-Me2pyz (4), pyz (5), 4,4'4′-bpy (6), and 4-pds (7)). The compound 2, formulated as [[Cu2(O2CPh) 4][Cu(O2CPh)2](μ-bpp)2], consists of alternating units of [Cu2(O2CPh)4] and [Cu(O2CPh)2] connected by via bpp. Compounds 1-5 and 7 efficiently catalyzed the transesterification of a variety of esters, while it has been reported that Cu-containing complexes or coordination polymers do not usually show catalytic activities for the transesterification reactions. Among these compounds, 2 was most effective. It has been proposed that in the transesterification reaction, a mononuclear type of Cu complex might be the major species of compound 2 in solution, while for all other compounds, a paddle-wheel unit might be the major reactive species.
AB - The paddle-wheel dinuclear unit consists of two CuII ions bridged by four benzoate ligands, and these paddle-wheel [Cu2(O 2CPh)4] units are connected by various bridging ligands to form one-dimensional chained compounds formulated as [Cu2(O 2CPh)4(μ-L)] (L = 2,4-bpe (1), 3,3'3′-dipicam (3), 2,5-Me2pyz (4), pyz (5), 4,4'4′-bpy (6), and 4-pds (7)). The compound 2, formulated as [[Cu2(O2CPh) 4][Cu(O2CPh)2](μ-bpp)2], consists of alternating units of [Cu2(O2CPh)4] and [Cu(O2CPh)2] connected by via bpp. Compounds 1-5 and 7 efficiently catalyzed the transesterification of a variety of esters, while it has been reported that Cu-containing complexes or coordination polymers do not usually show catalytic activities for the transesterification reactions. Among these compounds, 2 was most effective. It has been proposed that in the transesterification reaction, a mononuclear type of Cu complex might be the major species of compound 2 in solution, while for all other compounds, a paddle-wheel unit might be the major reactive species.
KW - Catalyst
KW - Coordination polymers
KW - Transesterification
UR - http://www.scopus.com/inward/record.url?scp=84877072520&partnerID=8YFLogxK
U2 - 10.1016/j.ica.2013.03.043
DO - 10.1016/j.ica.2013.03.043
M3 - Article
AN - SCOPUS:84877072520
SN - 0020-1693
VL - 402
SP - 39
EP - 45
JO - Inorganica Chimica Acta
JF - Inorganica Chimica Acta
ER -