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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 988043Generated: October 29, 2026

Piperidine, 1-(2-chloroethyl)-, hydrochloride → 3-{4-methoxy-3-[5,5,8,8-tetramethyl-3-(2-piperidin-1-yl-ethoxy)-5,6,7,8-tetrahydro-2-naphthyl]phenyl}acrylic Acid

https://huagongshe.com/reaction/988043

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidine, 1-(2-chloroethyl)-, hydrochlorideHCID 74826—
ReactantEthyl 3-[3-(3-hydroxy-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl)-4-methoxyphenyl)acrylateHCID 69792380—
Product3-{4-methoxy-3-[5,5,8,8-tetramethyl-3-(2-piperidin-1-yl-ethoxy)-5,6,7,8-tetrahydro-2-naphthyl]phenyl}acrylic AcidHCID 6979271193.9%

Reaction Steps

In a manner similar to that of Example 16(a), by reaction of 1.4 g (3.4 mmol) of ethyl 3-[3-(3-hydroxy-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naphthyl)-4-methoxyphenyl]acrylate obtained in Example 13(f) and 760 mg (4.08 mmol) of 1-(2-chloroethyl)piperidine hydrochloride, 1.57 g (89%) of the expected compound was obtained in the form of a colorless oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06632963B1
Source datasetuspto-grants-2003_10
ORD IDord-3a8e39ed89444d46b7e5feac4f20ec5e
Source noteuspto-grants-2003_10