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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1523917Generated: November 2, 2026

(R)-2-bromo-N-(1-hydroxypropan-2-yl)benzenesulfonamide → 4'-(3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazin-7-yl)-3'-fluoro-N-[(1R)-2-hydroxy-1-methylethyl]biphenyl-2-sulfonamide

https://huagongshe.com/reaction/1523917

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(R)-2-bromo-N-(1-hydroxypropan-2-yl)benzenesulfonamideHCID 79027397—
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'-fluoro-N-[(1R)-2-hydroxy-1-methylethyl]biphenyl-2-sulfonamideHCID 90313420—

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 (R)-2-bromo-N-(1-hydroxypropan-2-yl)benzenesulfonamide. MS (ESI): mass calcd. for C22H22FN3O4S, 443.13; m/z found, 444.1 [M+H]+. 1H NMR (400 MHz, CD3OD) δ 8.16-8.10 (m, 1H), 7.82-7.79 (m, 1H), 7.74-7.71 (m, 1H), 7.70-7.64 (m, 1H), 7.61-7.57 (m, 1H), 7.54-7.46 (m, 1H), 7.40-7.33 (m, 3H), 4.40-4.36 (m, 2H), 3.75-3.69 (m, 2H), 3.48-3.33 (m, 2H), 3.24-3.16 (m, 1H), 1.05-1.01 (m, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09079866B2
Source datasetuspto-grants-2015_07
ORD IDord-0e608808080646f9b28520756a72e90c
Source noteuspto-grants-2015_07