Flash Communication: Carbon Monoxide Insertion and Ligand Modification with Pyridine(diimine) Iron Alkyl Complexes

Jonathan M. Darmon; Tianyi Zhang; Hongyu Zhong; Suzzy Ho; Guang Cao; Paul J. Chirik

doi:10.1021/acs.organomet.4c00380

Flash Communication: Carbon Monoxide Insertion and Ligand Modification with Pyridine(diimine) Iron Alkyl Complexes

Jonathan M. Darmon, Tianyi Zhang, Hongyu Zhong, Suzzy Ho, Guang Cao, Paul J. Chirik

Chemistry

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

Abstract

The carbonylation of neutral and cationic pyridine(diimine) iron neopentyl complexes was studied. While the addition of CO to (^iPrPDI)FeCH₂^tBu resulted in the loss of the alkyl ligand to form (^iPrPDI)Fe(CO)₂ and free pyridine(diimine), the cationic variant underwent insertion and CO coordination to form a rare example of a low-spin pyridine(diimine)iron(II) organometallic complex. Prolonged exposure to an atmosphere of carbon monoxide resulted in migration of the acyl ligand to the 4-position of the pyridine in the tridentate chelate.

Original language	English (US)
Pages (from-to)	2707-2709
Number of pages	3
Journal	Organometallics
Volume	43
Issue number	21
DOIs	https://doi.org/10.1021/acs.organomet.4c00380
State	Published - Nov 11 2024

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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title = "Flash Communication: Carbon Monoxide Insertion and Ligand Modification with Pyridine(diimine) Iron Alkyl Complexes",

abstract = "The carbonylation of neutral and cationic pyridine(diimine) iron neopentyl complexes was studied. While the addition of CO to (iPrPDI)FeCH2tBu resulted in the loss of the alkyl ligand to form (iPrPDI)Fe(CO)2 and free pyridine(diimine), the cationic variant underwent insertion and CO coordination to form a rare example of a low-spin pyridine(diimine)iron(II) organometallic complex. Prolonged exposure to an atmosphere of carbon monoxide resulted in migration of the acyl ligand to the 4-position of the pyridine in the tridentate chelate.",

author = "Darmon, {Jonathan M.} and Tianyi Zhang and Hongyu Zhong and Suzzy Ho and Guang Cao and Chirik, {Paul J.}",

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T1 - Flash Communication

T2 - Carbon Monoxide Insertion and Ligand Modification with Pyridine(diimine) Iron Alkyl Complexes

AU - Darmon, Jonathan M.

AU - Zhang, Tianyi

AU - Zhong, Hongyu

AU - Ho, Suzzy

AU - Cao, Guang

AU - Chirik, Paul J.

PY - 2024/11/11

Y1 - 2024/11/11

N2 - The carbonylation of neutral and cationic pyridine(diimine) iron neopentyl complexes was studied. While the addition of CO to (iPrPDI)FeCH2tBu resulted in the loss of the alkyl ligand to form (iPrPDI)Fe(CO)2 and free pyridine(diimine), the cationic variant underwent insertion and CO coordination to form a rare example of a low-spin pyridine(diimine)iron(II) organometallic complex. Prolonged exposure to an atmosphere of carbon monoxide resulted in migration of the acyl ligand to the 4-position of the pyridine in the tridentate chelate.

AB - The carbonylation of neutral and cationic pyridine(diimine) iron neopentyl complexes was studied. While the addition of CO to (iPrPDI)FeCH2tBu resulted in the loss of the alkyl ligand to form (iPrPDI)Fe(CO)2 and free pyridine(diimine), the cationic variant underwent insertion and CO coordination to form a rare example of a low-spin pyridine(diimine)iron(II) organometallic complex. Prolonged exposure to an atmosphere of carbon monoxide resulted in migration of the acyl ligand to the 4-position of the pyridine in the tridentate chelate.

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Flash Communication: Carbon Monoxide Insertion and Ligand Modification with Pyridine(diimine) Iron Alkyl Complexes

Abstract

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