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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 501301Generated: October 30, 2026

4-[1-(3-Bromo-5-methyl-thiophen-2-yl)-methanoyl]-piperidine-1-carboxylic acid tert-butyl ester → 4-[1-(3-Bromo-5-methyl-thiophen-2-yl)-1-hydroxyimino-methyl]-piperidine-1-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/501301

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-[1-(3-Bromo-5-methyl-thiophen-2-yl)-methanoyl]-piperidine-1-carboxylic acid tert-butyl esterHCID 58817682—
Reactant4-[1-(3-bromo-4-methyl-thiophen-2-yl)-1-hydroxyimino-methyl]-piperidine-1-carboxylic Acid tert-butyl EsterHCID 72434573—
Product4-[1-(3-Bromo-5-methyl-thiophen-2-yl)-1-hydroxyimino-methyl]-piperidine-1-carboxylic acid tert-butyl esterHCID 72434560—

Reaction Conditions

Temperature70 °C

Reaction Steps

Prepared essentially as 29b except that 4-[1-(3-Bromo-5-methyl-thiophen-2-yl)-methanoyl]-piperidine-1-carboxylic acid tert-butyl ester is used as the starting material and the reaction mixture was stirred at 70° C. for 6 hours. LC/MS (ESI), m/e 347 (M-56) and 403 (MH+), retention time 2.03 minutes. Condition II.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07772252B2
Source datasetuspto-grants-2010_08
ORD IDord-77f7d9a2ea7741eaba229571dbbe3016
Source noteuspto-grants-2010_08