Dichloromethane → 3-Chloro-N-{6-methyl-3-[3-(methyloxy)phenyl]-2-phenylthieno[2,3-b]pyridin-4-yl}-benzenesulfonamide

HRID 573622Notes

Reaction equation

HRID 573622 reaction equation
Br[C:2]1[S:22][C:5]2=[N:6][C:7]([CH3:21])=[CH:8][C:9]([NH:10][S:11]([C:14]3[CH:19]=[CH:18][CH:17]=[C:16]([Cl:20])[CH:15]=3)(=[O:13])=[O:12])=[C:4]2[C:3]=1[C:23]1[CH:28]=[CH:27][CH:26]=[C:25]([O:29][CH3:30])[CH:24]=1.[C:31]1(B(O)O)[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1.C(=O)([O-])[O-].[Na+].[Na+].C(Cl)Cl>CN(C=O)C.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]>[Cl:20][C:16]1[CH:15]=[C:14]([S:11]([NH:10][C:9]2[CH:8]=[C:7]([CH3:21])[N:6]=[C:5]3[S:22][C:2]([C:31]4[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=4)=[C:3]([C:23]4[CH:28]=[CH:27][CH:26]=[C:25]([O:29][CH3:30])[CH:24]=4)[C:4]=23)(=[O:13])=[O:12])[CH:19]=[CH:18][CH:17]=1

Participants

8

Reactant 4

HCID 6344DichloromethaneHCID 10340Sodium CarbonateHCID 66827Phenylboronic AcidHCID 53250396N-{2-Bromo-6-methyl-3-[3-(methyloxy)phenyl]thieno[2,3-b]pyridin-4-yl}-3-chlorobenzenesulfonamide

Product 1

HCID 683241493-Chloro-N-{6-methyl-3-[3-(methyloxy)phenyl]-2-phenylthieno[2,3-b]pyridin-4-yl}-benzenesulfonamideYield 56.6%

Reagents, catalysts & solvents 3

HCID 178418228Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

A mixture of N-{2-bromo-6-methyl-3-[3-(methyloxy)phenyl]thieno[2,3-b]pyridin-4-yl}-3-chlorobenzenesulfonamide (50 mg, 0.095 mmol) (Example 33), phenylboronic acid (13.97 mg, 0.115 mmol), sodium carbonate (20.23 mg, 0.191 mmol) and PdCl2(dppf).DCM (3.90 mg, 4.77 μmol) in DMF (1 mL) and water (250 μl) was heated at 90° C. under nitrogen, for 3.5 h. The reaction mixture was then cooled to RT and concentrated. Purification by chromatography on silica gel, eluting with a gradient of 0-20% ethyl acetate in DCM, afforded the title compound (28 mg). LCMS (A) m/z: 521 [M+1]+, Rt 1.57 min (acidic), Rt 0.98 min (basic).

Workup

  1. concentrationconcentrated
  2. customPurification by chromatography on silica gel
  3. washeluting with a gradient of 0-20% ethyl acetate in DCM

Sources & evidence

ORD record
ord-48bfe2d2e7374c748054cfe2268fb855
Source dataset
uspto-grants-2015_05
Patent number
US09029545B2

Reaction notes

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