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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1523918Generated: October 31, 2026

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

https://huagongshe.com/reaction/1523918

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-bromo-N,N-diethylbenzenesulfonamideHCID 26370029—
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)-N,N-diethyl-3'-fluorobiphenyl-2-sulfonamideHCID 90312553—

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-bromo-N,N-diethylbenzenesulfonamide. MS (ESI): mass calcd. for C23H24FN3O3S, 441.15; m/z found, 442.2 [M+H]+. 1H NMR (400 MHz, CD3OD) δ 8.03-8.00 (m, 1H), 7.82 (d, J=1.0, 1H), 7.73-7.65 (m, 2H), 7.62-7.55 (m, 2H), 7.40-7.36 (m, 1H), 7.31 (s, 1H), 7.30-7.28 (m, 1H), 4.39-4.35 (m, 2H), 3.74-3.70 (m, 2H), 2.99 (q, J=7.1, 4H), 1.01 (t, J=7.1, 6H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09079866B2
Source datasetuspto-grants-2015_07
ORD IDord-3c5077ecd3414b2c96b4553816ace0a6
Source noteuspto-grants-2015_07