Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2120749Generated: October 29, 2026

(3-Chlorophenyl)boronic acid → 2-(Trifluoromethyl)-4,4-dimethyl-6-(3-chlorophenyl)-1,4-dihydro-2H-3,1-benzoxazine

https://huagongshe.com/reaction/2120749

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(3-Chlorophenyl)boronic acidHCID 2734323—
Reactant6-bromo-4,4-dimethyl-2-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazineHCID 23435572—
Product2-(Trifluoromethyl)-4,4-dimethyl-6-(3-chlorophenyl)-1,4-dihydro-2H-3,1-benzoxazineHCID 23435602—

Reaction Steps

Prepared according to the coupling procedure for Example 17 from 6-bromo-4,4-dimethyl-2-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazine and 3-chlorophenyl boronic acid. A yellowish solid: mp 108-109° C.; 1H-NMR (DMSO-d6) δ 7.69 (t, 1H, J=1.7 Hz), 7.59 (d, 1H, J=7.8 Hz), 7.35-7.50 (m, 3H), 7.32 (dt, 1H, J=8.1, 1.1 Hz), 6.91 (s, 1H), 6.87 (d, 1H, J=8.4 Hz), 5.35 (m, 1H), 1.60 (s, 3H), 1.59 (s, 3H); MS (ESI) m/z 340 [M−H]−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06693103B2
Source datasetuspto-grants-2004_02
ORD IDord-21dcf7f5ac354a46b230772b40a1121e
Source noteuspto-grants-2004_02