N,N-bis(1H-benzimidazol-2-ylmethyl)-N-methylamine chromium (III) chloride → N,N-bis(1H-benzimidazol-2-ylmethyl)-N-methylamine chromium (III) chloride hexafluoroantimonate tetrahydrofuran

HRID 1645212Notes

Reaction equation

HRID 1645212 reaction equation
[O:1]1[CH2:5][CH2:4][CH2:3][CH2:2]1.[F:6][Sb-:7]([F:12])([F:11])([F:10])([F:9])[F:8].[Cl-:13].[Cr+3:14].N1C2C=CC=CC=2N=C1CNCC1NC2C=CC=CC=2N=1.[Cl-].[Cr+3].[NH:38]1[C:42]2[CH:43]=[CH:44][CH:45]=[CH:46][C:41]=2[N:40]=[C:39]1[CH2:47][N:48]([CH2:50][C:51]1[NH:55][C:54]2[CH:56]=[CH:57][CH:58]=[CH:59][C:53]=2[N:52]=1)[CH3:49].[Cl-].[Cl-]>F[Sb-](F)(F)(F)(F)F.[Ag+].C1COCC1>[O:1]1[CH2:5][CH2:4][CH2:3][CH2:2]1.[F:6][Sb-:7]([F:12])([F:11])([F:10])([F:9])[F:8].[Cl-:13].[Cr+3:14].[NH:38]1[C:42]2[CH:43]=[CH:44][CH:45]=[CH:46][C:41]=2[N:40]=[C:39]1[CH2:47][N:48]([CH2:50][C:51]1[NH:52][C:53]2[CH:59]=[CH:58][CH:57]=[CH:56][C:54]=2[N:55]=1)[CH3:49]

Participants

5

Reactant 2

HCID 86638459N,N-bis(1H-benzimidazol-2-ylmethyl)-N-methylamine chromium (III) chlorideHCID 86638469N,N-bis(1H-benzimidazol-2-ylmethyl)amine chromium (III) chloride hexafluoroantimonate tetrahydrofuran

Product 1

HCID 86638468N,N-bis(1H-benzimidazol-2-ylmethyl)-N-methylamine chromium (III) chloride hexafluoroantimonate tetrahydrofuran

Reagents, catalysts & solvents 2

HCID 16687962Silver hexafluoroantimonateCatalystHCID 8028TetrahydrofuranSolvent2×

Procedure

4b was synthesised by an analogous procedure to that described for 4a using silver hexafluoroantimonate (0.762 g, 2.22 mmol) and complex 3b (1 g, 2.22 mmol). Yield 1.09 g, 72%. Anal. Calc. for C21H25Cl2CrF6N5OSb: C, 34.93; H, 3.49; N, 9.70. Found C, 34.89; H, 3.58; N, 9.58. IR (cm−1), υ 3220 (NH, s), υ 3050 (Ar—H, s), υ 1597 (ArC═C, m), δ 1480, 1457 (N—H, m), υ 1277 (CN, m), δ 753 (CH, s), υ 664 (Sb—F, s). FAB(+) mass spectrum, m/z 413 [M+-THF], 378 ([M+-Cl, THF], 288 [M+-Cr(THF)C2]. FAB(−) mass spectrum, m/z 235 [M−]. μeff·=3.77 MB.

Sources & evidence

ORD record
ord-336c3c5f85ed4708815543c78ad05965
Source dataset
uspto-grants-2012_02
Patent number
US08124698B2

Reaction notes

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