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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 533267Generated: October 29, 2026

Hydrochloric Acid → 3-Cyano-4-(2-methylphenyl)-1-(3-(1-naphthyloxy)propyl)-1h-indole-2-carboxylic acid

https://huagongshe.com/reaction/533267

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantMethyl 3-cyano-1-(3-(naphthalen-1-yloxy)propyl)-4-o-tolyl-1h-indole-2-carboxylateHCID 67315489—
SolventMethanolHCID 887—
SolventTetrahydrofuranHCID 8028—
Product3-Cyano-4-(2-methylphenyl)-1-(3-(1-naphthyloxy)propyl)-1h-indole-2-carboxylic acidHCID 67315411—

Reaction Steps

A mixture of EXAMPLE 133A (16 mg) and sodium hydroxide (200 μl) in tetrahydrofuran (0.5 ml) and methanol (0.5 ml) was stirred overnight, neutralized with diluted HCl, and concentrated. The residue was purified by RPHPLC to provide the desired product. 1H NMR (500 MHz, dimethyl sulfoxide-d6) δ 14.24 (s, 1H), 8.14 (d, J=8.54 Hz, 1H), 7.86 (dd, J=7.48, 5.65 Hz, 2H), 7.35-7.61 (m, 5H), 7.18-7.36 (m, 3H), 7.12 (d, J=7.32 Hz, 1H), 7.06 (d, J=7.02 Hz, 1H), 6.89 (d, J=7.32 Hz, 1H), 4.77-5.18 (m, 2H), 4.24 (t, J=5.03 Hz, 2H), 2.30-2.47 (m, 2H), 1.99 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08853209B2
Source datasetuspto-grants-2014_10
ORD IDord-da505fdedc924539b78289adb9ca58cd
Source noteuspto-grants-2014_10