Hydrochloric Acid → (S)-9-(4-(1-aminopropan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochloride

HRID 1853703Notes

Reaction equation

[F:1][C:2]1[CH:7]=[C:6]([C:8]2[C:9]3[C:10]4[CH:24]=[CH:23][S:22][C:11]=4[C:12](=[O:21])[NH:13][C:14]=3[C:15]([CH3:20])=[CH:16][C:17]=2[O:18][CH3:19])[CH:5]=[CH:4][C:3]=1[C@H:25]([CH3:35])[CH2:26][NH:27]C(=O)OC(C)(C)C.[ClH:36]>>[ClH:36].[NH2:27][CH2:26][C@H:25]([C:3]1[CH:4]=[CH:5][C:6]([C:8]2[C:9]3[C:10]4[CH:24]=[CH:23][S:22][C:11]=4[C:12](=[O:21])[NH:13][C:14]=3[C:15]([CH3:20])=[CH:16][C:17]=2[O:18][CH3:19])=[CH:7][C:2]=1[F:1])[CH3:35]

Participants

Reactant 2

HCID 313Hydrochloric Acid

HCID 67450529(S)-tert-Butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate

Product 1

HCID 86689468(S)-9-(4-(1-aminopropan-2-yl)-3-fluorophenyl)-8-methoxy-6-methylthieno[2,3-c]quinolin-4(5H)-one hydrochlorideYield 74%

Procedure

Following General Procedure D1, (S)-tert-butyl 2-(2-fluoro-4-(8-methoxy-6-methyl-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (520 mg, 1.1 mmol) was reacted with HCl (25 ml) to afford desire product (300 mg, 74%) as an off-white solid: 1H NMR (500 MHz, MeOD) δ 7.63 (d, J=5.4 Hz, 1H), 7.51 (dt, J=23.5, 7.8 Hz, 1H), 7.29 (s, 1H), 7.14-7.02 (m, 2H), 6.16-6.05 (m, 1H), 3.76 (s, 3H), 3.54 (ddd, J=46.9, 14.5, 7.3 Hz, 1H), 3.43-3.20 (m, 2H), 1.51 (d, J=7.0 Hz, 3H); ESI MS m/z 397 [C22H21FN2O2S+H]+; HPLC 98.9% (AUC), tR=10.75 min.

Sources & evidence

ORD record: ord-eb37dc1499f2459083f178062b984c4a
Source dataset: uspto-grants-2015_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08962648B2

Reaction notes

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