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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2055541Generated: October 31, 2026

Acetic Acid → 1'-[(6-Chloro-1-{[(3S)-1-methylpiperidin-3-yl]methyl}-1H-indol-3-yl)carbonyl]-3H-spiro[2-benzofuran-1,4'-piperidine]

https://huagongshe.com/reaction/2055541

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantSodium cyanoborohydrideHCID 5003444—
Reactant1'-({6-Chloro-1-[(3S)-piperidin-3-ylmethyl]-1H-indol-3-yl}carbonyl)-3H-spiro[2-benzofuran-1,4'-piperidine]HCID 59657538—
SolventMethanolHCID 887—
Product1'-[(6-Chloro-1-{[(3S)-1-methylpiperidin-3-yl]methyl}-1H-indol-3-yl)carbonyl]-3H-spiro[2-benzofuran-1,4'-piperidine]HCID 59657568—

Reaction Steps

A solution of 1′-({6-chloro-1-[(3S)-piperidin-3-ylmethyl]-1H-indol-3-yl}carbonyl)-3H-spiro[2-benzofuran-1,4′-piperidine] in MeOH was treated with aq. H2CO (1.5 eq), AcOH (1.1 eq) and stirred for 15 min at room temperature, then treated with NaCNBH3 (1.1 eq) and stirred at room temperature for 1 h. Concentration and purification by preparative HPLC the desired product. ES-MS m/e (%): 478.2(M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07332501B2
Source datasetuspto-grants-2008_02
ORD IDord-dcd3ef4d50794247adb8066bb8f9494b
Source noteuspto-grants-2008_02