Water → 5-Methyl-7-pyridin-3-yl-2-(2-quinolin-2-yl-ethyl)-3,5-dihydro-2H-pyrrolo[3,4-c]pyridine-1,6-dione

HRID 1752618Notes

Reaction equation

[C:1]([O-:4])([O-])=O.[K+].[K+].Cl[C:8]1[C:13](=[O:14])[N:12]([CH3:15])[CH:11]=[C:10]2[CH2:16][N:17]([CH2:20][CH2:21][C:22]3[CH:31]=[CH:30][C:29]4[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=4)[N:23]=3)C(=O)[C:9]=12.[N:32]1[CH:37]=[CH:36][CH:35]=[C:34](B(O)O)[CH:33]=1.O>CN(C=O)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[CH3:15][N:12]1[C:13](=[O:14])[C:8]([C:34]2[CH:33]=[N:32][CH:37]=[CH:36][CH:35]=2)=[C:9]2[C:1](=[O:4])[N:17]([CH2:20][CH2:21][C:22]3[CH:31]=[CH:30][C:29]4[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=4)[N:23]=3)[CH2:16][C:10]2=[CH:11]1

Participants

Conditions

Temperature: 130 °C

Procedure

Bis(triphenylphosphine)palladium(II) dichloride (14.88 mg, 0.021 mmol) and K2CO3 (176 mg, 1.27 mmol) were added to a suspension of 7-chloro-5-methyl-2-(2-quinolin-2-yl-ethyl)-3,5-dihydro-2H-pyrrolo[3,4-c]pyridine-1,6-dione (150 mg, 0.424 mmol, see Example c4)) and pyridine-3-ylboronic acid (104 mg, 0.848 mmol) in DMF (3 ml)/water (0.6 ml) and the mixture was heated in a microwave at 130° C. for 30 min. The solvent was removed and the resulting solid was purified by preparative HPLC (system: Gilson 281(PHG008), eluent: MeCN/aqueous 0.1% TFA solution (gradient: 30:70 to 80:20 over 15 min), column: Boston symmetrix ODS-R, C-18, 10 nm, 21.2×250 mm) to afford the title compound (150 mg, 89% yield).

Workup

customThe solvent was removed
customthe resulting solid was purified by preparative HPLC (system: Gilson 281(PHG008), eluent: MeCN/aqueous 0.1% TFA solution (gradient: 30:70 to 80:20 over 15 min), column: Boston symmetrix ODS-R, C-18, 10 nm, 21.2×250 mm)

Sources & evidence

ORD record: ord-e444f06f3f1d49e9befc04ca3aeb6038
Source dataset: uspto-grants-2015_10
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09163019B2

Reaction notes

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