Triazine Chalcogenones from Thiocyanate or Selenocyanate Addition to Tetrazine Ligands in Ruthenium Arene Complexes
作者:Lorenzo Bonaldi、Marco Bortoluzzi、Stefano Zacchini、Guido Pampaloni、Fabio Marchetti、Lorenzo Biancalana
DOI:10.1021/acs.inorgchem.3c00459
日期:2023.5.22
Thus, ruthenium(II) tetrazine complexes, [RuClκ2N-3-(2-pyridyl)-6-R-1,2,4,5-tetrazine}(η6-arene)]+ (arene = p-cymene, R = H, [1a]+, R = Me, [1b]+, R = 2-pyridyl, [1c]+; arene = C6Me6, R = H, [1d]+, R = Me, [1e]+; PF6– salts), reacted quantitatively and in mild conditions with M(ECN) salts (M = Na, K, Bu4N; E = O, S, Se). The addition of thiocyanate or selenocyanate to the tetrazine ligand is regioselective
从合成和应用的角度来看,1,2,4,5-四嗪的化学性质引起了相当大的兴趣。最近,据报道,一旦四嗪环与 Re(I)、Ru(II) 和 Ir(III) 中心配位,炔烃和烯烃的区域选择性反应就会受到青睐。为了进一步探索金属配位的影响,本文揭示了四嗪与硫族氰酸酯阴离子未被探索的反应性。因此,钌 (II) 四嗪配合物 [RuClκ 2 N -3-(2-pyridyl)-6- R -1,2,4,5-tetrazine}(η 6 -arene)] + (arene = p -聚伞花烃,R = H,[ 1a ] +,R = Me,[ 1b ] +, R = 2-吡啶基, [ 1c ] + ; 芳烃 = C 6 Me 6 , R = H, [ 1d ] + , R = Me, [ 1e ] + ; PF 6 –盐),在温和条件下与 M(ECN) 盐(M = Na、K、Bu 4 N;E = O、S、Se)发