1-Methyl-4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperazine → HCID 57885879, compound

HRID 659391Notes

Reaction equation

HRID 659391 reaction equation
[Cl:1][C:2]1[CH:19]=[CH:18][C:17]([C:20]([F:23])([F:22])[F:21])=[CH:16][C:3]=1[CH2:4][N:5]1[CH2:10][CH2:9][NH:8][C:7]2[N:11]=[CH:12][C:13](I)=[CH:14][C:6]1=2.[CH3:24][N:25]1[CH2:30][CH2:29][N:28]([C:31]2[CH:36]=[CH:35][C:34](B3OC(C)(C)C(C)(C)O3)=[CH:33][N:32]=2)[CH2:27][CH2:26]1>>[Cl:1][C:2]1[CH:19]=[CH:18][C:17]([C:20]([F:23])([F:22])[F:21])=[CH:16][C:3]=1[CH2:4][N:5]1[CH2:10][CH2:9][NH:8][C:7]2[N:11]=[CH:12][C:13]([C:34]3[CH:33]=[N:32][C:31]([N:28]4[CH2:27][CH2:26][N:25]([CH3:24])[CH2:30][CH2:29]4)=[CH:36][CH:35]=3)=[CH:14][C:6]1=2

Participants

3

Reactant 2

HCID 27696181-Methyl-4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperazineHCID 57885804HCID 57885804, compound

Product 1

HCID 57885879HCID 57885879, compoundYield 13%

Procedure

1-(2-Chloro-5-trifluoromethylbenzyl)-7-iodo-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (40 mg) was reacted with 1-methyl-4-[5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)pyridin-2-yl]piperazine as in General Procedure 4A to give the title compound as a yellow film (13% yield). M.p. (film), LCMS: m/z=502.98 (M+H+), 1H-NMR (CDCl3, 400 MHz) δ 2.34 (s, 3H), 2.51 (t, J=5.3 Hz, 4H), 3.28 (t, J=5.3 Hz, 2H), 3.54 (t, J=5.0 Hz, 4H), 3.66-3.72 (m, 2H), 4.53 (s, 2H), 4.89 (bs, 1H), 6.53 (s, 1H), 6.64 (d, J=8.8 Hz, 1H), 7.46-7.54 (m, 4H), 7.63 (d, J=1.8 Hz, 1H), 8.18 (d, J=2.3 Hz, 1H).

Sources & evidence

ORD record
ord-0ac7dc505b8e439098002a42ade06b03
Source dataset
uspto-grants-2011_12
Patent number
US08080561B2

Reaction notes

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