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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1523912Generated: November 1, 2026

Benzene, 1-bromo-2-(methylsulfonyl)- → 7-[3-Fluoro-2'-(methylsulfonyl)biphenyl-4-yl]-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine

https://huagongshe.com/reaction/1523912

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzene, 1-bromo-2-(methylsulfonyl)-HCID 190318—
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—
Product7-[3-Fluoro-2'-(methylsulfonyl)biphenyl-4-yl]-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazineHCID 90313118—

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 1-bromo-2-(methylsulfonyl)benzene. MS (ESI): mass calcd. for C20H17FN2O3S, 384.09; m/z found, 385.1 [M+H]+. 1H NMR (400 MHz, CDCl3) δ 8.27-8.24 (m, 1H), 7.99-7.93 (m, 1H), 7.71-7.65 (m, 1H), 7.63-7.57 (m, 1H), 7.47 (m, 1H), 7.41-7.38 (m, 1H), 7.33-7.27 (m, 3H), 4.32-4.24 (m, 2H), 3.67-3.59 (m, 2H), 2.76 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09079866B2
Source datasetuspto-grants-2015_07
ORD IDord-2dd6787c4680410c9baacbfd606fe574
Source noteuspto-grants-2015_07