Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 440834Generated: October 30, 2026

Formic Acid → HCID 22405626, compound

https://huagongshe.com/reaction/440834

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormic AcidHCID 284—
ReactantFormaldehydeHCID 712—
Reactant161178-07-0HCID 15342071—
ProductHCID 22405626HCID 22405626—

Reaction Conditions

Temperature80 °C

Reaction Steps

To 180 mg of 2-[[(7-fluoro-4-indanyl)oxy]methyl]morpholine were added 1 ml of a 35% aqueous formaldehyde solution and 1 ml of formic acid, and the mixture was stirred at 80° C. for 7 hours, followed by concentration under reduced pressure. The concentrate was neutralized by addition of 20 ml of a saturated aqueous solution of sodium hydrogencarbonate. The mixture was extracted with three 20 ml portions of ethyl ether. The ethyl ether solution was dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The resulting oil was dissolved in 20 ml of ethyl ether, and a solution of 42 mg of fumaric acid in 1 ml of methanol was added thereto while stirring. The precipitated salt was collected by filtration, washed with ethyl ether, and dried to give 123 mg of 4-methyl-2-[[(7-fluoro-4-indanyl)oxy]methyl]morpholine fumarate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05521180
Source datasetuspto-grants-1996_05
ORD IDord-c919285c858047b4b374e0fae0578adf
Source noteuspto-grants-1996_05