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2-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenyl → 2-(4-cyanophenyl)-5-(11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-2-yl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide

HRID 595572
Notes
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Reaction equation

HRID 595572 reaction equation
[C:1]([C:3]1[CH:8]=[CH:7][C:6]([C:9]2[O:10][C:11]3[CH:21]=[C:20]([N:22]([CH3:27])[S:23]([CH3:26])(=[O:25])=[O:24])[C:19](B4OC(C)(C)C(C)(C)O4)=[CH:18][C:12]=3[C:13]=2[C:14]([NH:16][CH3:17])=[O:15])=[CH:5][CH:4]=1)#[N:2].Cl[C:38]1[CH:39]=[CH:40][C:41]2[O:54][CH2:53][N:44]3[C:45]4[CH:46]=[CH:47][CH:48]=[C:49]([F:52])[C:50]=4[CH:51]=[C:43]3[C:42]=2[N:55]=1.CC(C1C=C(C(C)C)C(C2C=CC=CC=2P(C2CCCCC2)C2CCCCC2)=C(C(C)C)C=1)C>O1CCOCC1.O.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[C:1]([C:3]1[CH:8]=[CH:7][C:6]([C:9]2[O:10][C:11]3[CH:21]=[C:20]([N:22]([CH3:27])[S:23]([CH3:26])(=[O:25])=[O:24])[C:19]([C:38]4[CH:39]=[CH:40][C:41]5[O:54][CH2:53][N:44]6[C:45]7[CH:46]=[CH:47][CH:48]=[C:49]([F:52])[C:50]=7[CH:51]=[C:43]6[C:42]=5[N:55]=4)=[CH:18][C:12]=3[C:13]=2[C:14]([NH:16][CH3:17])=[O:15])=[CH:5][CH:4]=1)#[N:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 111557942-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 867283052-chloro-11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indoleHCID 903338432-(4-cyanophenyl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide

Product 1

HCID 903337362-(4-cyanophenyl)-5-(11-fluoro-6H-pyrido[2',3':5,6][1,3]oxazino[3,4-a]indol-2-yl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide
Yield 21.9%

Reagents, catalysts & solvents 2

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalystHCID 218864351,4-Dioxane--water (1/1)Solvent

Procedure

To a solution of 2-(4-cyanophenyl)-N-methyl-6-(N-methylmethylsulfonamido)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzofuran-3-carboxamide (115 mg, 0.22 mmol), 2-chloro-11-fluoro-6H-pyrido[2′,3′:5,6][1,3]oxazino[3,4-a]indole (75 mg, 0.27 mmol) K2CO3 (60 mg, 0.44 mmol), Pd2(dba)3 (30 mg) and X-Phos (30 mg) in dioxane/H2O (3 mL/0.6 mL) was stirred at 100° C. for 3 h. The reaction was filtered to remove the solid and then the mixture was diluted with water and extracted with EA. The organic layer was washed with brine, dried over Na2SO4 and concentrated. The residue was purified by prep-HPLC to get the product of 2-(4-cyanophenyl)-5-(11-fluoro-6H-pyrido[2′,3′:5,6][1,3]oxazino[3,4-a]indol-2-yl)-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide (30 mg, yield: 21%). 1H-NMR (CDCl3, 400 MHz) δ 8.16 (d, J=8.4 Hz, 2H), 7.96 (s, 1H), 7.78 (d, J=8.4 Hz, 2H), 7.70 (s, 1H), 7.23˜7.19 (m, 3H), 7.13 (d, J=8.4 Hz, 2H), 6.87 (m, 1H), 6.14 (d, J=4.4 Hz, 1H), 6.00 (s, 2H), 3.35 (s, 3H), 3.05 (d, J=5.2 Hz, 3H), 2.77 (s, 3H). MS (M+H)+: 622.

Workup

  1. filtrationThe reaction was filtered
  2. customto remove the solid
  3. additionthe mixture was diluted with water
  4. extractionextracted with EA
  5. washThe organic layer was washed with brine
  6. dry with materialdried over Na2SO4
  7. concentrationconcentrated
  8. customThe residue was purified by prep-HPLC

Sources & evidence

ORD record
ord-9a6bfcbb1d4549e499ac77059abfa3c9
Source dataset
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09242998B2

Reaction notes

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