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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 49024Generated: October 26, 2026

(S)-8-(2-chloro-1-methylethyl)-8-azaspiro[4.5]decane-7,9-dione → HCID 57245937, compound

https://huagongshe.com/reaction/49024

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(S)-8-(2-chloro-1-methylethyl)-8-azaspiro[4.5]decane-7,9-dioneHCID 11470572—
Reactant1-(2,5-Difluorophenyl)piperazineHCID 18545281—
ProductHCID 57245937HCID 5724593732%

Reaction Conditions

Temperature160 °C

Reaction Steps

A mixture of 1-(2,5-difluorophenyl)piperazine (20 mg, 0.10 mmol) and (S)-8-(2-chloro-1-methylethyl)-8-azaspiro[4.5]decane-7,9-dione (20 mg, 0.082 mmol) was heated with stirring at 160° C. for 5 hours. The residue was purified by preparative HPLC (see Example 8 for conditions), giving (after removal of the solvent) the title compound as a pale yellow oil (10.8 mg, 0.026 mmol, 32%): ESI-MS m/z 406 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06706716B2
Source datasetuspto-grants-2004_03
ORD IDord-81bb182d02b04dfa85b91303e5259195
Source noteuspto-grants-2004_03