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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2079642Generated: October 31, 2026

Hydrochloric Acid → 4-(7-Bromoquinazolin-2-ylamino)-N-(3-(pyrrolidin-1-yl)propyl)benzenesulfonamide

https://huagongshe.com/reaction/2079642

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,4-DioxaneHCID 31275—
Reactant7-Bromo-2-chloroquinazolineHCID 45790052—
ReactantHCID 55137112HCID 55137112—
SolventIsopropanolHCID 3776—
SolventEthyl AcetateHCID 8857—
Product4-(7-Bromoquinazolin-2-ylamino)-N-(3-(pyrrolidin-1-yl)propyl)benzenesulfonamideHCID 67101658—

Reaction Conditions

Temperature120 °C

Reaction Steps

To a 0.1M suspension of 7-bromo-2-chloroquinazoline in isopropanol was added 4-amino-N-(3-(pyrrolidin-1-yl)propyl)benzenesulfonamide (1.1 eq), followed by the addition of 4.0M HCl in dioxane (1.1 eq). The reaction mixture was heated to 120° C. in an oil bath for 1 h. LCMS showed that reaction was complete under the condition. Ethyl acetate was added to the reaction flask and the mixture was washed with saturated sodium bicarbonate, brine, dried over sodium sulfate and concentrated. Desired product was a yellow color solid. ES/MS m/z 490/492 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07932262B2
Source datasetuspto-grants-2011_04
ORD IDord-9f14fbc028ca48d58af18d18daca00cf
Source noteuspto-grants-2011_04