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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2037657Generated: October 31, 2026

Piperazin-2-one → HCID 58109554, compound

https://huagongshe.com/reaction/2037657

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazin-2-oneHCID 231360—
ReactantHCID 53473233HCID 53473233—
ProductHCID 58109554HCID 58109554—

Reaction Steps

The title compound was prepared from (S)-3-((S)-1-(4′-fluorobiphenyl-4-yl)ethyl)-6-(4-fluorophenyl)-6-(2-hydroxyethyl)-1,3-oxazinan-2-one following procedures analogous to those described in Example 178 using piperazin-2-one in Step 2. LC-MS Method 2 tR=1.213 min, m/z=519.23; 1H NMR (CDCl3) 1.46 (d, 3H), 2.13-2.27 (m, 3H), 2.35 (m, 2H), 2.75 (m, 1H), 2.88 (m, 1H), 3.20-3.39 (m, 3H), 3.51 (s, 2H), 3.66 (s, 2H), 5.54 (m, 1H), 6.94-7.05 (m, 6H), 7.14 (m, 2H), 7.25 (d, 2H), 7.37 (m, 2H), 7.85 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08575156B2
Source datasetuspto-grants-2013_11
ORD IDord-4db3357ee4674f6fa98fbe4bb6d49998
Source noteuspto-grants-2013_11