Sodium hydride → HCID 68464387, compound

HRID 2105409Notes

Reaction equation

HRID 2105409 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[C@H:20]([CH3:25])[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+].Br[CH2:29][CH2:30][O:31][Si:32]([C:35]([CH3:38])([CH3:37])[CH3:36])([CH3:34])[CH3:33]>>[C:35]([Si:32]([CH3:34])([CH3:33])[O:31][CH2:30][CH2:29][N:22]1[CH2:21][C@@H:20]([CH3:25])[N:16]2[C:17]3[CH:18]=[CH:19][C:11]([O:10][CH:7]4[CH2:8][CH2:9][N:4]([CH:1]([CH3:3])[CH3:2])[CH2:5][CH2:6]4)=[CH:12][C:13]=3[CH:14]=[C:15]2[C:23]1=[O:24])([CH3:38])([CH3:37])[CH3:36]

Participants

4

Reactant 3

HCID 24758Sodium hydrideHCID 3608067(2-Bromoethoxy)-tert-butyldimethylsilaneHCID 16679612(R)-8-(1-isopropylpiperidin-4-yloxy)-4-methyl-3,4-dihydropyrazino[1,2-a]indol-1(2H)-one

Product 1

HCID 68464387HCID 68464387, compoundYield 50%

Procedure

The title compound was synthesized in analogy to example 17, from (R)-8-(1-isopropyl-piperidin-4-yloxy)-4-methyl-3,4-dihydro-2H-pyrazino[1,2-a]indol-1-one (example 8), sodium hydride and (2-bromoethoxy)-tert-butyldimethylsilane, to give the desired product as a colorless oil (50%).

Sources & evidence

ORD record
ord-0e80443cffef4569b06d94bb3dc33484
Source dataset
uspto-grants-2009_08
Patent number
US07579351B2

Reaction notes

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