Chemical Research Letters, May 2021. name: 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.57196-62-0, Name is 6-Methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride, molecular formula is C10H14ClNO. In a Article，once mentioned of 57196-62-0
Three transition-metal coordination polymers with azide and/or carboxylate bridges have been synthesized from 4-(3-pyridyl)benzoic acid (4,3-Hpybz) and 4-(4-pyridyl)benzoic acid (4,4-Hpybz) and characterized by X-ray crystallography and magnetic measurements. Compound 1, [Cu(4,3-pybz)(N3)] n, consists of 2D coordination networks in which the uniform chains with (mu-EO-N3)(mu-COO) double bridges are cross-linked by the 4,3-pybz ligands. Compound 2, [Cu2(4,4-pybz)3(N 3)]n?3nH2O, consists of 2-fold interpenetrated 3D coordination networks with the alpha-Po topology, in which the six-connected dinuclear motifs with mixed (mu-EO-N3)(mu-COO) 2 (EO = end-on) triple bridges are linked by the 4,4-pybz spacers. Compound 3, [Mn(4,4-pybz)(N3)(H2O)2] n, contains 2D manganese(II) coordination networks in which the chains with single mu-EE-N3 bridges (EE = end-to-end) are interlinked by the 4,4-pybz ligands, and the structure also features a 2D hydrogen-bonded network in which MnII ions are linked by double triatomic bridges, (mu-EE-N3)(O-H???N) and (O-H???O)2. Magnetic studies indicated that the mixed azide and carboxylate bridges in 1 and 2 induce ferromagnetic coupling between CuII ions and that 3 features antiferromagnetic coupling through the EE-azide bridge. In addition, compound 1 exhibits antiferromagnetic ordering below 6.2 K and behaves as a field-induced metamagnet. A magnetostructural survey indicates a general trend that the ferromagnetic coupling through the mixed bridges decreases as the Cu-N-Cu angle increases.
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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem