(1,4,7,10,13-Pentamethyl-1,4,7,10,13-pentaazacyclopentadecane-κ<sup>5</sup><i>N</i>)cobalt(II) perchlorate

Zhang, Feng; Zhang, Jianrong; Deng, Dan; Hage, Ronald

doi:10.1107/s1600536803025030

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Complexes With Porphyrins and Other Macrocycles1

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2021

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“…115 The macrocyclic complex [Co(Me 5 PACP)](ClO 4 ) 2 has a distorted trigonalbipyramidal environment round cobalt (14), with ionic perchlorates. 116 Co(III) complexes of constrained dioxocyclam ligands show unusual examples of C-H and C-N bond cleavage. 117 A detailed Raman and IR study has been reported on nickel(II) tetraazaannulene complexes.…”

Section: Complexes With Porphyrins and Other Macrocyclesmentioning

confidence: 99%

15 Iron, cobalt and nickel

Cotton¹

2004

Annu. Rep. Prog. Chem., Sect. A: Inorg. Chem.

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Section: Complexes With Porphyrins and Other Macrocyclesmentioning

confidence: 99%

15 Iron, cobalt and nickel

Cotton¹

2004

Annu. Rep. Prog. Chem., Sect. A: Inorg. Chem.

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Calcium Hydride Catalysts for Olefin Hydrofunctionalization: Ring‐Size Effect of Macrocyclic Ligands on Activity

Höllerhage

Schuhknecht

Mistry

et al. 2021

Chemistry A European J

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The fifteen‐membered NNNNN macrocycle Me5PACP (Me5PACP=1,4,7,10,13‐pentamethyl‐1,4,7,10,13‐pentaazacyclopentadecane) stabilized the [CaH]+ fragment as a dimer with a distorted pentagonal bipyramidal coordination geometry at calcium. The hydride complex was prepared by protonolysis of calcium dibenzyl with the conjugate acid of Me5PACP followed by hydrogenolysis or treating with nOctSiH3 of the intermediate calcium benzyl cation. The calcium hydride catalyzed the hydrogenation and hydrosilylation of unactivated olefins faster than the analogous calcium complex stabilized by the twelve‐membered NNNN macrocycle Me4TACD (Me4TACD=1,4,7,10‐tetramethyl‐1,4,7,10‐tetraazacyclododecane). Kinetic investigations indicate that higher catalytic efficiency for the Me5PACP stabilized calcium hydride is due to easier dissociation of the dimer in solution when compared to the Me4TACD analogue.

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(1,4,7,10,13-Pentamethyl-1,4,7,10,13-pentaazacyclopentadecane-κ⁵N)cobalt(II) perchlorate

Abstract: Key indicatorsSingle-crystal X-ray study T = 293 K Mean '(C±C) = 0.011 A Ê R factor = 0.052 wR factor = 0.061 Data-to-parameter ratio = 8.2For details of how these key indicators were automatically derived from the article, see

Cited by 2 publications

References 8 publications

15 Iron, cobalt and nickel

15 Iron, cobalt and nickel

Calcium Hydride Catalysts for Olefin Hydrofunctionalization: Ring‐Size Effect of Macrocyclic Ligands on Activity

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(1,4,7,10,13-Pentamethyl-1,4,7,10,13-pentaazacyclopentadecane-κ5N)cobalt(II) perchlorate

Abstract: Key indicatorsSingle-crystal X-ray study T = 293 K Mean '(C±C) = 0.011 A Ê R factor = 0.052 wR factor = 0.061 Data-to-parameter ratio = 8.2For details of how these key indicators were automatically derived from the article, see

Cited by 2 publications

References 8 publications

15 Iron, cobalt and nickel

15 Iron, cobalt and nickel

Calcium Hydride Catalysts for Olefin Hydrofunctionalization: Ring‐Size Effect of Macrocyclic Ligands on Activity

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(1,4,7,10,13-Pentamethyl-1,4,7,10,13-pentaazacyclopentadecane-κ⁵N)cobalt(II) perchlorate