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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1950727Generated: November 3, 2026

Sodium Hydroxide → (5S)-6,7-dichloro-5-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine

https://huagongshe.com/reaction/1950727

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantHCID 24773647HCID 24773647—
SolventMethanolHCID 887—
Product(5S)-6,7-dichloro-5-methyl-2,3,4,5-tetrahydro-1H-3-benzazepineHCID 1160830897.8%

Reaction Conditions

Temperature25 °C

Reaction Steps

A solution of (S)—N-trifluoroacetyl-8,9-dichloro-1-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine (0.270 g, 1.2 mmol) in methanol (10 mL) was treated with 15% aqueous NaOH (10 mL), and stirred for 3.5 hours at 25° C. The product mixture was concentrated, extracted 3 times with CH2Cl2 (25 mL), dried with Na2SO4 and concentrated to give 0.270 g of a clear oil. 1H NMR (400 MHz, CDCl3) δ 7.40 (d, J=8 Hz, 1H), 7.16 (d, J=8 Hz, 1H), 4.17 (m, 1H), 3.55 (m, 2H), 3.5-3.3 (m, 2H), 3.2-3.0 (m, 2H), 1.43 (d, J=7 Hz, 3H). MS calculated for C11H13Cl2N+H: 230, observed: 230.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08404675B2
Source datasetuspto-grants-2013_03
ORD IDord-5e4e31f7e3344f22b1209e380f64f8a6
Source noteuspto-grants-2013_03