Isobutylamine → 3-[8-(2,6-difluorophenyl)-2-(4-methyl-1,4'-bipiperidin-1'-yl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-4-methyl-N-(2-methylpropyl)benzamide

HRID 2245147Notes

Reaction equation

HRID 2245147 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([F:8])[C:3]=1[N:9]1[C:14]2[N:15]=[C:16]([N:29]3[CH2:34][CH2:33][CH:32]([N:35]4[CH2:40][CH2:39][CH:38]([CH3:41])[CH2:37][CH2:36]4)[CH2:31][CH2:30]3)[N:17]=[C:18]([C:19]3[CH:20]=[C:21]([CH:25]=[CH:26][C:27]=3[CH3:28])[C:22](O)=[O:23])[C:13]=2[CH:12]=[CH:11][C:10]1=[O:42].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)CC)C.[CH2:74]([NH2:78])[CH:75]([CH3:77])[CH3:76]>CN(C=O)C>[F:8][C:4]1[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[C:3]=1[N:9]1[C:14]2[N:15]=[C:16]([N:29]3[CH2:30][CH2:31][CH:32]([N:35]4[CH2:36][CH2:37][CH:38]([CH3:41])[CH2:39][CH2:40]4)[CH2:33][CH2:34]3)[N:17]=[C:18]([C:19]3[CH:20]=[C:21]([CH:25]=[CH:26][C:27]=3[CH3:28])[C:22]([NH:78][CH2:74][CH:75]([CH3:77])[CH3:76])=[O:23])[C:13]=2[CH:12]=[CH:11][C:10]1=[O:42]

Participants

6

Reactant 4

HCID 6558IsobutylamineHCID 8471TriethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 57530509HCID 57530509, compound

Product 1

HCID 592126713-[8-(2,6-difluorophenyl)-2-(4-methyl-1,4'-bipiperidin-1'-yl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-4-methyl-N-(2-methylpropyl)benzamideYield 53.2%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To the compound 3-[8-(2,6-difluorophenyl)-2-(4-methyl-1,4′-bipiperidin-1′-yl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-4-methylbenzoic acid (31.6 mg, 0.055 mmol) in DMF (0.5 mL) were added HBTU (25 mg, 0.066 mmol), triethylamine (15.5 uL, 0.11 mmol) and isobutylamine (8.28 uL, 0.0825 mmol). The mixture was stirred at rt overnight. Separation by HPLC with TFA, followed by neutralization with SPE amine cartridge afforded the title compound (18.4 mg, 53%). LC-MS m/z 629 (M+H)+.

Workup

  1. customSeparation by HPLC with TFA

Sources & evidence

ORD record
ord-09986a450b5a459ea41890cf1ad3733b
Source dataset
uspto-grants-2010_03
Patent number
US07678801B2

Reaction notes

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