Category: 218290-24-5

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Cornman, Charles R.; Zovinka, Edward P.; Boyajian, Yvette D.; Olmstead, Marilyn M.; Noll, Bruce C. researched the compound: N,N’-(trans-Cyclohexane-1,2-diyl)dipicolinamide( cas:218290-24-5 ).Electric Literature of C18H20N4O2.They published the article 《Synthesis, structure and EPR spectroscopy of a vanadium(IV)-amide metallacyclic complex》 about this compound( cas:218290-24-5 ) in Inorganica Chimica Acta. Keywords: crystal structure vanadium pyridinecarboxamidobenzene pyridinecarboxamidocyclohexane oxo chloro metallacycle complex; vanadium pyridinecarboxamidobenzene pyridinecarboxamidocyclohexane oxo chloro metallacycle preparation structure ESR. We’ll tell you more about this compound (cas:218290-24-5).

The synthesis, crystal structures and EPR spectra for two dinuclear, metallacyclic VIV complexes, [(H2bpb)VIVOCl]2Cl2·2CH2Cl2 (1, H2bpb = 1,2-bis(2-pyridinecarboxamido)benzene) and [(H2bpc)VIVOCl]2Cl2·4.5CH2Cl2 (2, H2bpc = trans-1,2-bis(2-pyridinecarboxamido)cyclohexane) are reported. The coordinating ligands include a rare example of vanadium(IV) coordinated to the carbonyl oxygen of an amide moiety. In the solid state, the cavity of these complexes encircles two mols. of methylene chloride which interact only weakly with the metallacycle. EPR spectra are typical of the mononuclear VIV ion, indicating that the spins are not interacting. Crystal data for 1: triclinic, space group P1̅, a 10.543(2), b 11.999(3), c 13.654(2) Å, α 64.170(14), β 70.084(12), γ 87.19(2)°, U = 1451.6(5) Å3, Z = 2, dc = 1.627 g cm-3, T = 123(2) K, number of unique reflections = 3797, number of parameters = 355, R1 = 0.0882, wR2 = 0.1892 (all data). Crystal data for 2: triclinic, space group P1̅, a 11.933(5), b 12.020(3), c 12.047(4) Å, α 63.24(2), β 65.46(3), γ 80.06(3)°, U = 1403.4(9) Å3, Z = 2, dc = 1.54 g cm-3, T = 130 K, number of unique reflections = 3663, number of parameters = 224, R1 = 0.1271, Rw = 0.1384 (F > 4.0σ(F)).

Different reactions of this compound(N,N’-(trans-Cyclohexane-1,2-diyl)dipicolinamide)Electric Literature of C18H20N4O2 require different conditions, so the reaction conditions are very important.

Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Cornman, Charles R.; Zovinka, Edward P.; Boyajian, Yvette D.; Olmstead, Marilyn M.; Noll, Bruce C. researched the compound: N,N’-(trans-Cyclohexane-1,2-diyl)dipicolinamide( cas:218290-24-5 ).Electric Literature of C18H20N4O2.They published the article 《Synthesis, structure and EPR spectroscopy of a vanadium(IV)-amide metallacyclic complex》 about this compound( cas:218290-24-5 ) in Inorganica Chimica Acta. Keywords: crystal structure vanadium pyridinecarboxamidobenzene pyridinecarboxamidocyclohexane oxo chloro metallacycle complex; vanadium pyridinecarboxamidobenzene pyridinecarboxamidocyclohexane oxo chloro metallacycle preparation structure ESR. We’ll tell you more about this compound (cas:218290-24-5).

The synthesis, crystal structures and EPR spectra for two dinuclear, metallacyclic VIV complexes, [(H2bpb)VIVOCl]2Cl2·2CH2Cl2 (1, H2bpb = 1,2-bis(2-pyridinecarboxamido)benzene) and [(H2bpc)VIVOCl]2Cl2·4.5CH2Cl2 (2, H2bpc = trans-1,2-bis(2-pyridinecarboxamido)cyclohexane) are reported. The coordinating ligands include a rare example of vanadium(IV) coordinated to the carbonyl oxygen of an amide moiety. In the solid state, the cavity of these complexes encircles two mols. of methylene chloride which interact only weakly with the metallacycle. EPR spectra are typical of the mononuclear VIV ion, indicating that the spins are not interacting. Crystal data for 1: triclinic, space group P1̅, a 10.543(2), b 11.999(3), c 13.654(2) Å, α 64.170(14), β 70.084(12), γ 87.19(2)°, U = 1451.6(5) Å3, Z = 2, dc = 1.627 g cm-3, T = 123(2) K, number of unique reflections = 3797, number of parameters = 355, R1 = 0.0882, wR2 = 0.1892 (all data). Crystal data for 2: triclinic, space group P1̅, a 11.933(5), b 12.020(3), c 12.047(4) Å, α 63.24(2), β 65.46(3), γ 80.06(3)°, U = 1403.4(9) Å3, Z = 2, dc = 1.54 g cm-3, T = 130 K, number of unique reflections = 3663, number of parameters = 224, R1 = 0.1271, Rw = 0.1384 (F > 4.0σ(F)).

Different reactions of this compound(N,N’-(trans-Cyclohexane-1,2-diyl)dipicolinamide)Electric Literature of C18H20N4O2 require different conditions, so the reaction conditions are very important.

Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 218290-24-5, is researched, SMILESS is O=C(N[C@H]1[C@H](NC(C2=NC=CC=C2)=O)CCCC1)C3=NC=CC=C3, Molecular C18H20N4O2Journal, Inorganica Chimica Acta called Spectroscopic characterization of coaxially and π-π stacked binuclear copper(II) complexes of ω,ω’-bis(pyridine-2-carboxamido)alkanes in acidic solution, Author is Kajikawa, Yuji; Azuma, Nagao; Tajima, Kunihiko, the main research direction is crystal structure copper bispyridinecarboxamidoalkane; copper bispyridinecarboxamidoalkane binuclear preparation structure stacking interaction; pyridinecarboxamidoalkane copper binuclear preparation structure stacking interaction; conformation copper bispyridinecarboxamidoalkane stacking interaction.Product Details of 218290-24-5.

Using ESR and visible spectroscopies, coaxially stacked binuclear Cu(II) complexes of ω,ω’-bis(pyridine-2-carboxamido)alkanes in acidic aqueous solution (pH 3.8-5.0), H2peda (alkane = ethane), H2ppda (alkane = propane), and H2pbda (alkane = butane), were characterized. Trans-1,2-Bis(pyridine-2-carboxamido)cyclohexane or trans-H2pcyhda (alkane = trans-1,2-cyclohexane) did not provide coaxially stacked binuclear complex, because of the lower conformational freedom at the HNCH-CHNH bond. The coaxially stacked structure causes π-π stacking between the pyridyl rings. The conformation of the propanediyl chain is gauche-gauche, while the ethanediyl and butanediyl chains contain an eclipsed conformation. The driving force for the formation of these binuclear complexes in acidic solution is intramol. π-π stacking interaction between the pyridyl rings in concert with hydrophobic interaction. Although H2ppda gave crystals of a binuclear complex with many lattice H2O mols., H2peda and H2pbda ligands provided crystals of Cu(II) polymer complexes from the resp. acidic solution The trans-H2pcyhda ligand forms a Cu(II) binuclear complex with open-chain structure in acidic solution Crystal structures of the polymer complexes are also presented.

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Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: N,N’-(trans-Cyclohexane-1,2-diyl)dipicolinamide(SMILESS: O=C(N[C@H]1[C@H](NC(C2=NC=CC=C2)=O)CCCC1)C3=NC=CC=C3,cas:218290-24-5) is researched.Formula: C21H14Br4O5S. The article 《Kinetic resolution of pent-4-ene-1,3-diol by Pd(II)-catalyzed oxycarbonylation in ionic liquids》 in relation to this compound, is published in New Journal of Chemistry. Let’s take a look at the latest research on this compound (cas:218290-24-5).

The first example of the use of ionic liquids as reaction media in an asym. Pd(ii)-catalyzed oxycarbonylation was studied. Based on a ligand screening, the chiral box-type ligands were successfully used in the Pd(ii)-promoted bicyclization of pent-4-ene-1,3-diol (±)-1. The kinetic resolution of (±)-1 in the presence of a chiral catalyst, p-benzoquinone and acetic acid in ionic liquids under a carbon monoxide atm. afforded enantioenriched 2,6-dioxabicyclo[3.3.0]octane-3-ones (S,S)-2 (80% ee) and (R,R)-2 (57% ee).

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Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: N,N’-(trans-Cyclohexane-1,2-diyl)dipicolinamide(SMILESS: O=C(N[C@H]1[C@H](NC(C2=NC=CC=C2)=O)CCCC1)C3=NC=CC=C3,cas:218290-24-5) is researched.Related Products of 16400-32-1. The article 《Ruthenium(II) carbonyl complexes containing pyridine carboxamide ligands and PPh3/AsPh3/Py coligands: Synthesis, spectral characterization, catalytic and antioxidant studies》 in relation to this compound, is published in Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy. Let’s take a look at the latest research on this compound (cas:218290-24-5).

New Ru(II) carbonyl complexes bearing pyridine, carboxamide and PPh3/triphenylarsine/pyridine were prepared by direct reaction of Ru(II) precursors with some pyridine carboxamide ligands, N,N-bis(2-pyridinecarboxamide)-1,2-ethane (H2L1), N,N-bis(2-pyridinecarboxamide)-1,2-benzene (H2L2) and N,N-bis(2-pyridinecarboxamide)-trans-1,2-cyclohexane (H2L3). The organic ligands offering two Namide and two Npyridine donor sites to the metal center. They were characterized by elemental analyses, FTIR, UV-Visible, NMR (1H, 13C and 31P) and ESI-MS techniques. Based on the above data, an octahedral structure was assigned for all the complexes. The catalytic efficiency of the complexes in transfer hydrogenation of ketones in the presence of iPrOH/KOH and N-alkylation of amine in the presence of tBuOK was examined Also, the antioxidant activity of the ligands and its Ru(II) complexes were determined by DPPH radical, nitric oxide radical, hydroxyl radical and H2O2 scavenging methods, which indicates that the Ru(II) complexes exhibit more effective antioxidant activity than the ligands alone.

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Reference:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics