Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1523914Generated: November 2, 2026

2-Bromobenzenesulfonamide → 4'-(3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)-3'-fluorobiphenyl-2-sulfonamide

https://huagongshe.com/reaction/1523914

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-BromobenzenesulfonamideHCID 2801263—
Reactant7-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3-dioxolan-2-yl)phenyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazineHCID 90314039—
Product4'-(3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)-3'-fluorobiphenyl-2-sulfonamideHCID 90313463—

Reaction Steps

The title compound was prepared in a manner similar to that described in Example 444 using 7-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3-dioxolan-2-yl)phenyl)-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine and 2-bromobenzenesulfonamide. MS (ESI): mass calcd. for C19H16FN3O3S, 385.09; m/z found, 386.2 [M+H]+. 1H NMR (400 MHz, CD3OD) δ 8.14-8.11 (m, 1H), 7.80 (d, J=1.0, 1H), 7.73-7.71 (m, 1H), 7.68-7.62 (m, 1H), 7.61-7.52 (m, 2H), 7.39-7.31 (m, 3H), 4.40-4.34 (m, 2H), 3.75-3.69 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09079866B2
Source datasetuspto-grants-2015_07
ORD IDord-22f59d2f443f44c4bd2760a243cfa37b
Source noteuspto-grants-2015_07