Tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate → tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamate

HRID 1853709Notes

Reaction equation

HRID 1853709 reaction equation
Br[C:2]1[C:3]2[C:4]3[CH:17]=[CH:16][S:15][C:5]=3[C:6](=[O:14])[NH:7][C:8]=2[CH:9]=[CH:10][C:11]=1[O:12][CH3:13].CC1(C)C(C)(C)OB([C:26]2[CH:31]=[CH:30][C:29]([CH:32]([NH:34][C:35](=[O:41])[O:36][C:37]([CH3:40])([CH3:39])[CH3:38])[CH3:33])=[CH:28][CH:27]=2)O1>>[CH3:13][O:12][C:11]1[CH:10]=[CH:9][C:8]2[NH:7][C:6](=[O:14])[C:5]3[S:15][CH:16]=[CH:17][C:4]=3[C:3]=2[C:2]=1[C:26]1[CH:27]=[CH:28][C:29]([CH:32]([NH:34][C:35](=[O:41])[O:36][C:37]([CH3:40])([CH3:39])[CH3:38])[CH3:33])=[CH:30][CH:31]=1

Participants

3

Reactant 2

HCID 23134405Tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateHCID 674491399-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one

Product 1

HCID 67458078tert-Butyl 1-(4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)ethylcarbamateYield 39.7%

Procedure

Following General Procedure B, 9-bromo-8-methoxythieno[2,3-c]quinolin-4(5H)-one (600 mg, 1.9 mmol) was reacted with tert-butyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamate (1.34 g, 3.87 mmol) to afford the desired product (340 mg, 39%) as a brown solid: ESI MS m/z 451 [C25H26N2O4S+H]+.

Sources & evidence

ORD record
ord-5a2c2d7b1ffa46dbbe98b91696903b50
Source dataset
uspto-grants-2015_02
Patent number
US08962648B2

Reaction notes

Loading…