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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 43946Erstellt: 24. Oktober 2026

Cesium carbonate → Methyl cis(+/-)-5-(4-{[(benzyloxy)carbonyl]amino}-3-methoxypiperidin-1-yl)-3-formylthiophene-2-carboxylate

https://huagongshe.com/de/reaction/43946

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktCesium carbonateHCID 10796—
EduktBinap, (A+-)-HCID 634876—
EduktBenzyl cis(+/-)-[3-methoxypiperidin-4-yl]carbamateHCID 86648490—
EduktMethyl 5-bromo-3-formylthiophene-2-carboxylateHCID 86648830—
Katalysatorpalladium(II) acetateHCID 167845—
ProduktMethyl cis(+/-)-5-(4-{[(benzyloxy)carbonyl]amino}-3-methoxypiperidin-1-yl)-3-formylthiophene-2-carboxylateHCID 8664883120,9%

Reaktionsschritte

The same operation as in Example (244b) was performed using methyl 5-bromo-3-formylthiophene-2-carboxylate obtained in Example (246b) (974 mg, 3.91 mmol), benzyl cis(±)-(3-methoxypiperidin-4-yl)-carbamate obtained in Example (40b) (1.10 g, 4.16 mmol), palladium acetate (176 mg, 0.78 mmol), BINAP (0.49 g, 0.78 mmol) and cesium carbonate (1.78 g, 5.47 mmol), to obtain 354 mg of the title compound as a yellow oily substance (21%).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS08536197B2
Quelldatensatzuspto-grants-2013_09
ORD IDord-e7105cf23d7d46ceb8474ab4940ef051
Quellennotizuspto-grants-2013_09