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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 2057Erstellt: 23. Oktober 2026

Tetrahydro-2-(2-propynyloxy)-2H-pyran → (8R,9S,10R,13S,14S,17S)-13-methyl-1,2,3,6,7,8,9,10,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-ol

https://huagongshe.com/de/reaction/2057

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktTetrahydro-2-(2-propynyloxy)-2H-pyranHCID 98609—
EduktButyllithiumHCID 178418339—
LösungsmittelTetrahydrofuranHCID 8028—
LösungsmittelHexaneHCID 8058—
Produkt(8R,9S,10R,13S,14S,17S)-13-methyl-1,2,3,6,7,8,9,10,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-olHCID 252818—

Reaktionsschritte

As described under 3D, 460 mg of 7G is produced from 442 mg of 7F with 1.30 ml of 2-(2-propinyloxy)tetrahydro-2H-pyrane and 5.36 ml of a 15% solution of butyllithium in hexane in 70 ml of tetrahydrofuran.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS05728689
Quelldatensatzuspto-grants-1998_03
ORD IDord-dda6f0d331b14af09fea8960240ce219
Quellennotizuspto-grants-1998_03