Hydrogen-bonding network in new scorpionate-type ligand composed of pyridine/pyrrole hybrid and anion-binding behavior of the corresponding rhodium complexes in alkyne cyclotrimerization reaction

Motoki Toganoh; Naoyuki Harada; Hiroyuki Furuta

doi:10.1016/j.jorganchem.2008.07.005

Hydrogen-bonding network in new scorpionate-type ligand composed of pyridine/pyrrole hybrid and anion-binding behavior of the corresponding rhodium complexes in alkyne cyclotrimerization reaction

Motoki Toganoh, Naoyuki Harada, Hiroyuki Furuta

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

New heteroscorpionate ligands (1 and 2) having a di(pyridin-2-yl)(1H-pyrrol-2-yl)methane substructure are synthesized. X-ray crystallographic analysis on 1 and 2 reveals that they form unique hydrogen bonding networks depending on the size of neighboring groups in solid states. 1 and 2 can form cationic rhodium(I) complexes, wherein the counter anions form hydrogen bondings with the pyrrolic NH moiety. In alkyne cyclotrimerization reactions using those complexes as catalyst, the catalytic activity is significantly enhanced when electron-donating counter anions is placed near the metal center.

Original language	English
Pages (from-to)	3141-3150
Number of pages	10
Journal	Journal of Organometallic Chemistry
Volume	693
Issue number	19
DOIs	https://doi.org/10.1016/j.jorganchem.2008.07.005
Publication status	Published - Sept 15 2008

All Science Journal Classification (ASJC) codes

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/j.jorganchem.2008.07.005

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Hydrogen-bonding network in new scorpionate-type ligand composed of pyridine/pyrrole hybrid and anion-binding behavior of the corresponding rhodium complexes in alkyne cyclotrimerization reaction. / Toganoh, Motoki; Harada, Naoyuki; Furuta, Hiroyuki.

In: Journal of Organometallic Chemistry, Vol. 693, No. 19, 15.09.2008, p. 3141-3150.

Research output: Contribution to journal › Article › peer-review

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abstract = "New heteroscorpionate ligands (1 and 2) having a di(pyridin-2-yl)(1H-pyrrol-2-yl)methane substructure are synthesized. X-ray crystallographic analysis on 1 and 2 reveals that they form unique hydrogen bonding networks depending on the size of neighboring groups in solid states. 1 and 2 can form cationic rhodium(I) complexes, wherein the counter anions form hydrogen bondings with the pyrrolic NH moiety. In alkyne cyclotrimerization reactions using those complexes as catalyst, the catalytic activity is significantly enhanced when electron-donating counter anions is placed near the metal center.",

author = "Motoki Toganoh and Naoyuki Harada and Hiroyuki Furuta",

note = "Funding Information: The present work was supported by the Grant-in-Aid for Scientific Research (16350024 and 19750036) and the Global COE Program “Science for Future Molecular Systems” from the Ministry of Education, Culture, Sports, Science and Technology of Japan. ",

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AU - Harada, Naoyuki

AU - Furuta, Hiroyuki

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AB - New heteroscorpionate ligands (1 and 2) having a di(pyridin-2-yl)(1H-pyrrol-2-yl)methane substructure are synthesized. X-ray crystallographic analysis on 1 and 2 reveals that they form unique hydrogen bonding networks depending on the size of neighboring groups in solid states. 1 and 2 can form cationic rhodium(I) complexes, wherein the counter anions form hydrogen bondings with the pyrrolic NH moiety. In alkyne cyclotrimerization reactions using those complexes as catalyst, the catalytic activity is significantly enhanced when electron-donating counter anions is placed near the metal center.

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Hydrogen-bonding network in new scorpionate-type ligand composed of pyridine/pyrrole hybrid and anion-binding behavior of the corresponding rhodium complexes in alkyne cyclotrimerization reaction

Abstract

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