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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2404872Generated: October 30, 2026

Sulfuric Acid → HCID 59410042, compound

https://huagongshe.com/reaction/2404872

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
ReactantPotassium NitrateHCID 24434—
Reactant1-(2-(tert-butyl)phenyl)pyrrolidineHCID 10845838—
ProductHCID 59410042HCID 5941004276.1%

Reaction Conditions

Temperature0 °C

Reaction Steps

1-(2-tert-butylphenyl)pyrrolidine (350 mg, 1.72 mmol) was added portionwise to conc. H2SO4 (1 mL) to generate a yellow homogeneous solution. The solution was then cooled to 0° C. and KNO3 (191 mg, 1.9 mmol) was added portionwise maintaining the internal temperature below 5° C. The reaction was stirred for 2 h and then poured on ice-water and extracted with DCM, dried over Na2SO4, filtered and concentrated. The residue was purified by silica gel column chromatography to obtain 1-(2-tert-butyl-5-nitrophenyl)pyrrolidine (325 mg, 76%). LC/MS: m/z 248.9 (M+H)+ at 2.39 min (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08802700B2
Source datasetuspto-grants-2014_08
ORD IDord-d8f61630ebd74afca315ca6a52dfa041
Source noteuspto-grants-2014_08