Sodium hydride → 8-(1-isopropylpiperidin-4-yloxy)-2-(2,2,2-trifluoroethyl)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-one

HRID 506673Notes

Reaction equation

HRID 506673 reaction equation
[CH:1]([N:4]1[CH2:9][CH2:8][CH:7]([O:10][C:11]2[CH:19]=[CH:18][C:17]3[N:16]4[CH2:20][CH2:21][NH:22][C:23](=[O:24])[C:15]4=[CH:14][C:13]=3[CH:12]=2)[CH2:6][CH2:5]1)([CH3:3])[CH3:2].[H-].[Na+].FC(F)(F)S(O[CH2:33][C:34]([F:37])([F:36])[F:35])(=O)=O>>[CH:1]([N:4]1[CH2:9][CH2:8][CH:7]([O:10][C:11]2[CH:19]=[CH:18][C:17]3[N:16]4[CH2:20][CH2:21][N:22]([CH2:33][C:34]([F:37])([F:36])[F:35])[C:23](=[O:24])[C:15]4=[CH:14][C:13]=3[CH:12]=2)[CH2:6][CH2:5]1)([CH3:3])[CH3:2]

Participants

4

Reactant 3

HCID 24758Sodium hydrideHCID 803662,2,2-Trifluoroethyl trifluoromethanesulfonateHCID 166795188-(1-isopropylpiperidin-4-yloxy)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-one

Product 1

HCID 166797068-(1-isopropylpiperidin-4-yloxy)-2-(2,2,2-trifluoroethyl)-3,4-dihydropyrazino[1,2-a]indol-1(2H)-oneYield 19%

Procedure

The title compound was synthesized in analogy to example 17, from 8-(1-isopropyl-piperidin-4-yloxy)-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one (example 1), sodium hydride and 2,2,2-trifluoroethyl trifluoromethanesulfonate, to give the title compound as a white solid (19%).

Sources & evidence

ORD record
ord-ddd97007f1d04bd09e2c5bbfc0de0621
Source dataset
uspto-grants-2010_08
Patent number
US07786109B2

Reaction notes

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