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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 474435Generated: October 30, 2026

Acetaldehyde → HCID 66763373, compound

https://huagongshe.com/reaction/474435

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetaldehydeHCID 177—
ReactantTriethylamineHCID 8471—
ReactantSodium triacetoxyborohydrideHCID 5049666—
ReactantHCID 66763412HCID 66763412—
CatalystAcetic AcidHCID 176—
SolventEthanolHCID 702—
ProductHCID 66763373HCID 6676337340%

Reaction Steps

A 20 mL scintillation vial equipped with a stir bar was charged with 4-(2-methylamino-1-phenyl-ethylamino)-quinazoline-8-carboxylic acid amide hydrochloride salt, (32 mg, 0.1 mmol), EtOH, (5 mL) and Et3N, (0.03 mL, 0.2 mmol). The mixture was stirred until the amine had dissolved. Then AcOH (10 drops) was added followed by acetaldehyde, (0.1 mL, 2.0 mmol) and then NaBH(OAc)3, (212 mg, 1.0 mmol). The mixture was stirred at RT. After 30 minutes, the reaction was quenched by addition of 1N NaOH, (20 mL) diluted with EtOAc (25 mL) and the phases were split. The aqueous was extracted with EtOAc, (25 mL) (×2), dried (Na2SO4) and the solvent was evaporated under reduced pressure. The material was purified by chromatography eluting with DCM-[DCM-MeOH—NH4OH (9:1:0.1)] Amount obtained: 15 mg, 40% yield. LCMS (ESI) 350 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08637532B2
Source datasetuspto-grants-2014_01
ORD IDord-efdba173f8b94a12bac734d1d82f2955
Source noteuspto-grants-2014_01