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Sodium Carbonate → 3-[4-(5H,11H-Benzo[e]pyrrolo[1,2-a][1,4]diazepine-10-carbonyl)-2-methyl-phenyl]-2-methyl-cyclohex-2-enone

HRID 2053740
Notes
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Reaction equation

HRID 2053740 reaction equation
[CH:1]1[CH:2]=[CH:3][N:4]2[CH2:10][C:9]3[CH:11]=[CH:12][CH:13]=[CH:14][C:8]=3[N:7]([C:15]([C:17]3[CH:22]=[CH:21][C:20](B4OC(C)(C)C(C)(C)O4)=[C:19]([CH3:32])[CH:18]=3)=[O:16])[CH2:6][C:5]=12.FC(F)(F)S([O:38][C:39]1[CH2:44][CH2:43][CH2:42][C:41](=O)[C:40]=1[CH3:46])(=O)=O.C(=O)([O-])[O-].[Na+].[Na+]>CS(C)=O.O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[CH:1]1[CH:2]=[CH:3][N:4]2[CH2:10][C:9]3[CH:11]=[CH:12][CH:13]=[CH:14][C:8]=3[N:7]([C:15]([C:17]3[CH:22]=[CH:21][C:20]([C:41]4[CH2:42][CH2:43][CH2:44][C:39](=[O:38])[C:40]=4[CH3:46])=[C:19]([CH3:32])[CH:18]=3)=[O:16])[CH2:6][C:5]=12
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 10340Sodium CarbonateHCID 10825071Methanesulfonic acid, trifluoro-, 2-methyl-3-oxo-1-cyclohexen-1-yl esterHCID 22219714(10,11-Dihydro-5H-pyrrolo [2,1-c][1,4] benzodiazepin-10-yl)-[3-methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-methanone

Product 1

HCID 102950443-[4-(5H,11H-Benzo[e]pyrrolo[1,2-a][1,4]diazepine-10-carbonyl)-2-methyl-phenyl]-2-methyl-cyclohex-2-enoneYield 54.7%

Reagents, catalysts & solvents 3

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 679Dimethyl SulfoxideSolventHCID 962WaterSolvent

Conditions

Temperature
60 °C

Procedure

(10,11-Dihydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-10-yl)-[3-methyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-methanone of Example 4 Step B (6.75 g, 15.8 mmol), 3-oxo-2-methylcyclohexen-1-yl trifluoromethanesulfonate (4.49 g, 17.4 mmol) and dichloro[1,1′-bis(diphenylphosphino)ferrocene]palladium (II) dichloromethane adduct (0.387 g, 0.474 mmol) were combined in dimethylsulfoxide (79 mL). Aqueous sodium carbonate (2M, 39.5 mL, 79.0 mmol) was added and the reaction heated to 60 ° C. for 3 hours. After cooling to room temperature, the reaction mixture was diluted with water and washed with ethyl acetate. The combined extracts were washed with water and brine. The organic phase was dried over anhydrous sodium sulfate, filtered through silica gel and concentrated. The residue was purified by flash column chromatography on silica gel eluting with 50% ethyl acetate in hexane to provide 3.55 g of the title compound as a pale orange foam.

Workup

  1. temperatureAfter cooling to room temperature
  2. washwashed with ethyl acetate
  3. washThe combined extracts were washed with water and brine
  4. dry with materialThe organic phase was dried over anhydrous sodium sulfate
  5. filtrationfiltered through silica gel
  6. concentrationconcentrated
  7. customThe residue was purified by flash column chromatography on silica gel eluting with 50% ethyl acetate in hexane

Sources & evidence

ORD record
ord-4da21dc6f0404382a200a4587d6bd9cb
Source dataset
uspto-grants-2008_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07326700B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes