Trifluoroacetic acid → HCID 67447393, compound

HRID 1853758Notes

Reaction equation

[CH3:1][O:2][C:3]1[CH:12]=[CH:11][C:10]2[NH:9][C:8](=[O:13])[C:7]3[S:14][CH:15]=[CH:16][C:6]=3[C:5]=2[C:4]=1[C:17]1[CH:32]=[CH:31][C:20]([CH2:21][CH2:22][NH:23]C(=O)OC(C)(C)C)=[CH:19][CH:18]=1.C(O)(C(F)(F)F)=O>>[NH2:23][CH2:22][CH2:21][C:20]1[CH:19]=[CH:18][C:17]([C:4]2[C:5]3[C:6]4[CH:16]=[CH:15][S:14][C:7]=4[C:8](=[O:13])[NH:9][C:10]=3[CH:11]=[CH:12][C:3]=2[O:2][CH3:1])=[CH:32][CH:31]=1

Participants

Reactant 2

HCID 6422Trifluoroacetic acid

HCID 67449771HCID 67449771, compound

Product 1

HCID 67447393HCID 67447393, compoundYield 91%

Procedure

Following General Procedure C, tert-butyl 4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenethylcarbamate (310 mg, 0.69 mmol) was reacted with TFA (2 mL) to afford the desired product (220 mg, 90%) as an off-white solid: 1H NMR (500 MHz, DMSO-d) δ 7.91 (s, 1H), 7.91 (br s, 2H), 7.71 (d, J=5.4 Hz, 1H), 7.52 (d, J=9.1 Hz, 1H), 7.40 (m, 3H), 7.22 (d, J=8.1 Hz, 2H), 5.80 (d, J=5.4 Hz, 1H), 3.68 (s, 3H), 3.20-3.17 (m, 2H), 3.02-2.99 (m, 2H); ESI MS m/z 351 [C20H18N2O2S+H]+; HPLC 98.8% (AUC), tR=8.32 min.

Sources & evidence

ORD record: ord-bb10bab7a42c46438567c5c70bee539e
Source dataset: uspto-grants-2015_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08962648B2

Reaction notes

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