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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1278637Generated: October 30, 2026

Triphosgene → 6-(3-Chloro-phenyl)4-phenyl-1,4-dihydro-benzo[d][1,3]oxazin-2-one

https://huagongshe.com/reaction/1278637

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphosgeneHCID 94429—
Reactant1-(4-Amino-3'-chloro-biphenyl-3-yl)-benzyl alcoholHCID 68943743—
Product6-(3-Chloro-phenyl)4-phenyl-1,4-dihydro-benzo[d][1,3]oxazin-2-oneHCID 9819111—

Reaction Steps

Prepared from 1-(4-amino-3′-chloro-biphenyl-3-yl)-benzyl alcohol and triphosgene according to the procedure of Example 9. Off-white solid: mp 177-178° C.; 1H-NMR (DMSO-d6) δ10.5 (s, 1H), 7.68 (dd, 1H, J=8.7, 1.7 Hz), 7.62 (t, 1H, J=1.74 Hz), 7.54-7.5 (m, 1H), 7.48-7.34 (m, 8H), 7.04 (d, 1H, J=8.7 Hz), 6.6 (s, 1H); MS (ESI) m/z 336 ([M+H]+, 30%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06444668B1
Source datasetuspto-grants-2002_09
ORD IDord-3d448463731e4daabb54e695257ee812
Source noteuspto-grants-2002_09