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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1407520Generated: November 1, 2026

5-bromo-1-(diphenylmethyl)-3-hydroxy-3-(7-hydroxy-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-dihydro-2H-indol-2-one → 5-bromo-1-(diphenylmethyl)-3-(7-hydroxy-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-dihydro-2H-indol-2-one

https://huagongshe.com/reaction/1407520

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-bromo-1-(diphenylmethyl)-3-hydroxy-3-(7-hydroxy-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-dihydro-2H-indol-2-oneHCID 67356215—
Reactant1-(diphenylmethyl)-4-fluoro-3-hydroxy-3-(7-hydroxy-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-dihydro-2H-indol-2-oneHCID 67358415—
Product5-bromo-1-(diphenylmethyl)-3-(7-hydroxy-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-dihydro-2H-indol-2-oneHCID 67357668—

Reaction Steps

Following the procedure as described in PREPARATION 82C and making non-critical variations using 5-bromo-1-(diphenylmethyl)-3-hydroxy-3-(7-hydroxy-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-dihydro-2H-indol-2-one to replace 1-(diphenylmethyl)-4-fluoro-3-hydroxy-3-(7-hydroxy-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-dihydro-2H-indol-2-one, 5-bromo-1-(diphenylmethyl)-3-(7-hydroxy-2,3-dihydro-1,4-benzodioxin-6-yl)-1,3-dihydro-2H-indol-2-one was obtained (85%) as a colorless solid: MS (ES+) m/z 527.8 (M+1), 529.8 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08916580B2
Source datasetuspto-grants-2014_12
ORD IDord-e9d97cab35744ac59cbfaafd603e5009
Source noteuspto-grants-2014_12