Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 241843Generated: November 1, 2026

6-Benzyl-4-methoxy-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine → 4-methoxy-5H,6H,7H,8H-pyrido[4,3-d]pyrimidine

https://huagongshe.com/reaction/241843

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-Benzyl-4-methoxy-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidineHCID 58103581—
CatalystPalladiumHCID 23938—
SolventMethanolHCID 887—
Product4-methoxy-5H,6H,7H,8H-pyrido[4,3-d]pyrimidineHCID 5098921496.9%

Reaction Steps

250 mL flask was charged with 6-benzyl-4-methoxy-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (4.08 g, 16.0 mmol), 10% palladium on charcoal (400 mg) and methanol (100 mL). The reaction was evacuated and purged with hydrogen three times, and hydrogenated (1 atm) overnight. The mixture was filtered through a “Dry disk” membrane filter, and concentrated in vacuo to give an orange oil (2.56 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08653091B2
Source datasetuspto-grants-2014_02
ORD IDord-6053f009d46445ff8a5091eb527fff94
Source noteuspto-grants-2014_02