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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524299Generated: October 25, 2026

1-(tert-Butoxycarbonyl)-4-(p-toluenesulfonyloxy)piperidine → 5-(3,4-dimethoxyphenyl)-4,4-diethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-one

https://huagongshe.com/reaction/524299

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(tert-Butoxycarbonyl)-4-(p-toluenesulfonyloxy)piperidineHCID 15734713—
Reactant5-(3,4-dimethoxyphenyl)-4,4-diethyl-2,4-dihydro-3H-pyrazol-3-oneHCID 66616622—
Product5-(3,4-dimethoxyphenyl)-4,4-diethyl-2-piperidin-4-yl-2,4-dihydro-3H-pyrazol-3-oneHCID 66616474—

Reaction Steps

Prepared analogously as described for the example B1 (Alternative 1) using 5-(3,4-dimethoxyphenyl)-4,4-diethyl-2,4-dihydro-3H-pyrazol-3-one (compound C7) and tert-butyl 4-(Toluene-4-sulfonyloxy)piperidine-1-carboxylate (compound E1) as starting compounds resulting in the title compound. (compound B7)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09340522B2
Source datasetuspto-grants-2016_05
ORD IDord-e25c9e1360ff4f928570e46e4afa5347
Source noteuspto-grants-2016_05