Cesium carbonate → N-[3-(4-isopropylpiperazin-1-yl)-5-oxo-5H-benzo[4,5]cyclohepta[1,2-b]pyridin-7-yl]methanesulfonamide

HRID 1987112Notes

Reaction equation

Cl[C:2]1[CH:3]=[C:4]2[C:12](=[O:13])[C:11]3[CH:14]=[C:15]([NH:18][S:19]([CH3:22])(=[O:21])=[O:20])[CH:16]=[CH:17][C:10]=3[CH:9]=[CH:8][C:5]2=[N:6][CH:7]=1.C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.C(=O)([O-])[O-].[Cs+].[Cs+].[CH:75]([N:78]1[CH2:83][CH2:82][NH:81][CH2:80][CH2:79]1)([CH3:77])[CH3:76]>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].CN(C)C=O>[CH:75]([N:78]1[CH2:83][CH2:82][N:81]([C:2]2[CH:3]=[C:4]3[C:12](=[O:13])[C:11]4[CH:14]=[C:15]([NH:18][S:19]([CH3:22])(=[O:21])=[O:20])[CH:16]=[CH:17][C:10]=4[CH:9]=[CH:8][C:5]3=[N:6][CH:7]=2)[CH2:80][CH2:79]1)([CH3:77])[CH3:76]

Participants

Conditions

Temperature: 180 °C

Procedure

N-(3-chloro-5-oxo-5H-benzo[4,5]cyclohepta[1,2-b]pyridin-7-yl)methanesulfonamide (0.100 g, 0.30 mmol), Pd2(dba)3 (6 mg, 0.006 mmol), rac-BINAP (11 mg, 0.018 mmol), and cesium carbonate (0.490 g, 1.50 mmol) combined mixed in a dry tube. Isopropylpiperazine (0.170 mL, 1.20 mmol) and 0.70 mL of dry dimethylformamide were added and the tube was sealed. The reaction contents were heated in the Biotage Initiator series microwave at 180° C. for 15 minutes. The reaction contents were partially concentrated and purified by reverse phase HPLC (10-100% acetonitrile/water gradient, 0.1% trifluoroacetic acid modifier) to afford the title compound.

Workup

customthe tube was sealed
customThe reaction contents
customThe reaction contents
concentrationwere partially concentrated
custompurified by reverse phase HPLC (10-100% acetonitrile/water gradient, 0.1% trifluoroacetic acid modifier)

Sources & evidence

ORD record: ord-b8d377326f104b35a2b1643c62e3e84a
Source dataset: uspto-grants-2009_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07550478B2

Reaction notes

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