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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 30372Generated: October 28, 2026

Dichloromethane → 4-(4-Chlorophenyl)-3-(1-pyrrolidinyl)-butan-2-one

https://huagongshe.com/reaction/30372

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantHCID 22270338HCID 22270338—
SolventMethanolHCID 887—
Product4-(4-Chlorophenyl)-3-(1-pyrrolidinyl)-butan-2-oneHCID 22270489—

Reaction Steps

The title compound was prepared according to the procedure of Reference Example 2, Step C except that ethyl 3-(4-chlorophenyl)-2-(1-pyrrolidinyl)-propanoate (from Step A) was the ester used (two steps). TLC Rf=0.7 (95:5 CH2Cl2:MeOH). LC/MS m/e=252 (M+1). 500 MHz 1H NMR (CDCl3) δ 1.86(br s, 4H), 2.03 (s, 3H), 2.66 (m, 2H), 2.78 (m, 2H), 2.98 (dd, J=2.9, 10.3 Hz, 1H), 3.08 (m, 1H), 3.43 (m, 1H), 7.12 (d, J=8.3 Hz, 2H), 7.26 (d, J=8.3 Hz, 2H)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07423067B2
Source datasetuspto-grants-2008_09
ORD IDord-91384748a3e344d2af4974dd1ebc865a
Source noteuspto-grants-2008_09