Boron tribromide → HCID 67448225, compound

HRID 1853872Notes

Reaction equation

C[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/[CH:17]=[CH:18]/[CH2:19][N:20]1[CH2:25][CH2:24][CH2:23][CH:22]([NH:26]C(=O)OC(C)(C)C)[CH2:21]1.BrB(Br)Br>>[NH2:26][CH:22]1[CH2:23][CH2:24][CH2:25][N:20]([CH2:19]/[CH:18]=[CH: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[OH:2])[CH2:21]1

Participants

Reactant 2

HCID 25134Boron tribromide

HCID 68230117HCID 68230117, compound

Product 1

HCID 67448225HCID 67448225, compoundYield 41%

Procedure

Following General Procedure F, (E)-tert-Butyl 1-[3-(8-Methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)allyl]piperidin-3-ylcarbamate (320 mg, 0.88 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 4.0 mL, 4.0 mmol) to afford the desired product (100 mg, 41%) as a yellow solid: 1H NMR (500 MHz, CD3OD) δ 8.00 (dd, J=19.3, 5.4 Hz, 2H), 7.32 (d, J=8.9 Hz, 1H), 7.24 (d, J=16.0 Hz, 1H), 7.12 (d, J=8.9 Hz, 1H), 6.39-6.25 (m, 1H), 4.25 (d, J=6.8 Hz, 1H), 3.94 (d, J=11.4 Hz, 1H), 3.83 (d, J=11.9 Hz, 1H), 3.76-3.65 (m, 1H), 3.28-3.10 (m, 2H), 2.24 (dd, J=35.1, 13.6 Hz, 2H), 2.06-1.98 (m, 1H), 1.81-1.68 (m, 1H).

Sources & evidence

ORD record: ord-ace50cdf50d64c75b831ba372e14af9e
Source dataset: uspto-grants-2015_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08962648B2

Reaction notes

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