Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2193178Generated: October 29, 2026

Dichloromethane → HCID 59398294, compound

https://huagongshe.com/reaction/2193178

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantSodium triacetoxyborohydrideHCID 5049666—
Reactant(7-methoxy-4-methyl-2-oxoquinolin-1(2H)-yl)acetaldehydeHCID 59397837—
ReactantHCID 59398324HCID 59398324—
SolventAcetic AcidHCID 176—
SolventWaterHCID 962—
SolventChloroformHCID 6212—
ProductHCID 59398294HCID 5939829464.8%

Reaction Steps

To 2.5 mL of dichloromethane solution containing 0.14 g of ethyl 1-(2-(2,3-dihydro-1,4-benzodioxin-6-yl)ethyl)piperazine-2-carboxylate and 0.10 g of (7-methoxy-4-methyl-2-oxoquinolin-1(2H)-yl)acetaldehyde, 25 μL of acetic acid were added and stirred at room temperature for 50 min. Then, 0.14 g of sodium triacetoxyborohydride was added, and stirred at room temperature for 1 hour. To the reaction mixture, chloroform and water were added, the organic layer was separated, and the aqueous layer was extracted with chloroform. The organic layer and extracts were combined, dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure. The residue thus obtained was purified by silica gel column chromatography [eluent; chloroform:acetone=50 1], to give 0.15 g of ethyl 1-(2-(2,3-dihydro-1,4-benzodioxin-6-yl)ethyl)-4-(2-(7-methoxy-4-methyl-2-oxoquinolin-1(2H)-yl)ethyl)piperazine-2-carboxylate as a colorless foam.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329694B2
Source datasetuspto-grants-2012_12
ORD IDord-64a8976538584820b2d1043a5befe114
Source noteuspto-grants-2012_12