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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 394919Generated: October 30, 2026

Hydrochloric Acid → HCID 18177877, compound

https://huagongshe.com/reaction/394919

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTetrahydrofuranHCID 8028—
ReactantPotassium HydroxideHCID 14797—
ReactantHCID 17949425HCID 17949425—
SolventEthanolHCID 702—
SolventWaterHCID 962—
ProductHCID 18177877HCID 1817787749.2%

Reaction Conditions

Temperature45 °C

Reaction Steps

The ester (609 mg) was dissolved in 9 ml of ethanol and treated with 1.59 g of potassium hydroxide in 6 ml of water. The heterogeneous mixture was further treated with 4 ml of THF and the resulting clear solution was heated to 45° C. for 1.5 hour. The mixture was diluted with 20 ml of water and the pH was adjusted to 2 with HCl 25%. The mixture was extracted with 3 portions of 25 ml of ethyl acetate. The combined organic extracts were dried over MgSO4 and concentrated in vacuo. The resulting orange oil was purified by flash chromatography (SiO2, 25% ethyl/hexanes) followed by trituration in pentane, giving 290 mg of (RS)-4-[3-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-oct-1-ynyl]-benzoic acid as a white solid, m.p. 115-116° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06603012B2
Source datasetuspto-grants-2003_08
ORD IDord-b503304f6bc3474785810ece1bb232e7
Source noteuspto-grants-2003_08