2-Chloro-1,7-naphthyridine → HCID 69511258, compound

HRID 969685Notes

Reaction equation

[C:1]([O:5][C:6]([N:8]1[CH2:17][C:16]([CH3:19])([CH3:18])[C:15]2[C:10](=[CH:11][C:12]([NH:20][C:21](=[O:29])[C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=3[NH2:28])=[CH:13][CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].Cl[C:31]1[CH:40]=[CH:39][C:38]2[C:33](=[CH:34][N:35]=[CH:36][CH:37]=2)[N:32]=1.[Li]N([Si](C)(C)C)[Si](C)(C)C>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]([O:5][C:6]([N:8]1[CH2:17][C:16]([CH3:19])([CH3:18])[C:15]2[C:10](=[CH:11][C:12]([NH:20][C:21](=[O:29])[C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=3[NH:28][C:31]3[CH:40]=[CH:39][C:38]4[C:33](=[CH:34][N:35]=[CH:36][CH:37]=4)[N:32]=3)=[CH:13][CH:14]=2)[CH2:9]1)=[O:7])([CH3:2])([CH3:3])[CH3:4]

Participants

Conditions

Temperature: 80 °C

Procedure

A mixture of 7-(2-amino-benzoylamino)-4,4-dimethyl-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester (Step A, 303 mg, 0.77 mmol), 2-chloro-[1,7]naphthyridine (126 mg, 0.77 mmol), Pd2(dba)3 (7.1 mg, 0.008 mmol), 2-dicyclohexyl phosphino-2′-(N-N-dimethyamino)biphenyl (8 mg, 0.02 mmol), and LiN(TMS)2 (1 M solution in THF, 2.3 mL) was heated at 80° C. for 12 h. The mixture was concentrated in vacuo and the crude material was purified with flash chromatography (SiO2, 5% MeOH/CH2Cl2) to obtain the titled compound. MS (ES+): 524.0 (M+H)+. Calc'd for C31H33N5O3-523.63.

Workup

concentrationThe mixture was concentrated in vacuo
customthe crude material was purified with flash chromatography (SiO2, 5% MeOH/CH2Cl2)

Sources & evidence

ORD record: ord-15a27a2c6fce48ecb917874e869d6b8a
Source dataset: uspto-grants-2007_12
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07307088B2

Reaction notes

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