Boron tribromide → HCID 86689507, compound

HRID 1853820Notes

Reaction equation

[Cl:1][C:2]1[C:11]2[NH:10][C:9](=[O:12])[C:8]3[S:13][CH:14]=[CH:15][C:7]=3[C:6]=2[C:5]([C:16]2[CH:21]=[CH:20][C:19]([C@H:22]([NH:25]C(=O)OC(C)(C)C)[CH2:23][CH3:24])=[CH:18][CH:17]=2)=[C:4]([O:33]C)[CH:3]=1.BrB(Br)Br>>[ClH:1].[NH2:25][C@@H:22]([C:19]1[CH:18]=[CH:17][C:16]([C:5]2[C:6]3[C:7]4[CH:15]=[CH:14][S:13][C:8]=4[C:9](=[O:12])[NH:10][C:11]=3[C:2]([Cl:1])=[CH:3][C:4]=2[OH:33])=[CH:21][CH:20]=1)[CH2:23][CH3:24]

Participants

Reactant 2

HCID 25134Boron tribromide

HCID 68229785HCID 68229785, compound

Product 1

HCID 86689507HCID 86689507, compoundYield 165.8%

Procedure

Following General Procedure F, (R)-tert-butyl 1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)propylcarbamate (30 mg, 0.063 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.0 mL, 1.0 mmol) to afford the desired product (22 mg, 87%) as a light yellow solid: 1H NMR (500 MHz, CD3OD) δ 7.63-7.56 (m, 2H), 7.53 (d, J=5.4 Hz, 1H), 7.40 (t, J=6.6 Hz, 3H), 7.08 (s, 1H), 6.04 (d, J=5.4 Hz, 1H), 4.31 (dd, J=9.2, 5.9 Hz, 1H), 2.57 (s, 3H), 2.21-2.01 (m, 2H), 1.03 (t, J=7.4 Hz, 3H); ESI MS m/z 383 [C20H17ClN2O2S−H]−; HPLC 96.9%, tR=8.69 min.

Sources & evidence

ORD record: ord-0db7eee648294dc98d641301a41e7b77
Source dataset: uspto-grants-2015_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08962648B2

Reaction notes

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