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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 268670Erstellt: 26. Oktober 2026

Tryptophol → 8'-Ethyl-4',9'-dihydro-3'H-spiro(cyclohexane-1,1'-pyrano[3,4-b]indole)-4-carboxylic acid ethyl ester

https://huagongshe.com/reaction/268670

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktTryptopholHCID 10685—
Edukt7-EthyltryptopholHCID 198231—
EduktEthyl 4-oxocyclohexanecarboxylateHCID 317638—
Produkt8'-Ethyl-4',9'-dihydro-3'H-spiro(cyclohexane-1,1'-pyrano[3,4-b]indole)-4-carboxylic acid ethyl esterHCID 69196892—

Reaktionsschritte

Following the procedure of example 24.A. except using 2-(7-ethyl-1H-indol-3-yl)-ethanol as the 3-indolethanol component and 4-oxo-cyclohexane carboxylic acid ethyl ester as ketone component afforded the title compound as an oil. ESI (+) MS m/e=342 (MH+), ESI (−) MS m/e=340 (MH−).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS07446122B2
Quelldatensatzuspto-grants-2008_11
ORD IDord-5b0693fdf6b9439d8229470b8343cdf3
Quellennotizuspto-grants-2008_11