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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 478298Erstellt: 26. Oktober 2026

2H-pyran-3,5(4H,6H)-dione → methyl 4-(3-iodo-4-methylphenyl)-2-methyl-5-oxo-4,5,6,8-tetrahydro-1H-pyrano[3,4-b]pyridine-3-carboxylate

https://huagongshe.com/reaction/478298

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt2H-pyran-3,5(4H,6H)-dioneHCID 325287—
EduktMethyl 3-aminocrotonateHCID 643918—
Edukt3-Iodo-4-methylbenzaldehydeHCID 12330254—
LösungsmittelMethanolHCID 887—
Produktmethyl 4-(3-iodo-4-methylphenyl)-2-methyl-5-oxo-4,5,6,8-tetrahydro-1H-pyrano[3,4-b]pyridine-3-carboxylateHCID 1800100345,5%

Reaktionsschritte

The product from Example 11B (0.34 g, 3.0 mmol), the product from Example 54A (0.74 g, 3.0 mmol) and methyl 3-aminocrotonate (0.35 g, 3.0 mmol) in methanol (8 mL) were processed as described in Example 68A to provide the title compound (0.60 g).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS06642222B2
Quelldatensatzuspto-grants-2003_11
ORD IDord-a2bc46c6315442c19bb82f7cc6e4f1ea
Quellennotizuspto-grants-2003_11