Pyridine, 2,3,5-trichloro- → (3R)-1-(3,5-Dichloro-pyridin-2-yl)-3-methyl-piperazine

HRID 730856Notes

Reaction equation

HRID 730856 reaction equation
Cl[C:2]1[C:7]([Cl:8])=[CH:6][C:5]([Cl:9])=[CH:4][N:3]=1.[CH3:10][C@@H:11]1[CH2:16][NH:15][CH2:14][CH2:13][NH:12]1>>[Cl:8][C:7]1[C:2]([N:15]2[CH2:14][CH2:13][NH:12][C@H:11]([CH3:10])[CH2:16]2)=[N:3][CH:4]=[C:5]([Cl:9])[CH:6]=1

Participants

3

Reactant 2

HCID 27666Pyridine, 2,3,5-trichloro-HCID 73304342-Methylpiperazine, (R)-

Product 1

HCID 67402021(3R)-1-(3,5-Dichloro-pyridin-2-yl)-3-methyl-piperazine

Procedure

2,3,5-Trichloro-pyridine (910 mg, 5.0 mmol, Aldrich) and (R)-(−)-2-methyl-piperazine (700 mg, 7.0 mmol, Aldrich) reacted under the conditions of Example 3a to give the title compound as a light-yellow solid. MS (ESI, pos. ion) m/z: 247 (M+1).

Sources & evidence

ORD record
ord-231e01cfcf4e4e48adef34930f4cf57d
Source dataset
uspto-grants-2009_09
Patent number
US07582761B2

Reaction notes

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