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- W777320194 abstract "Proposed are the total syntheses of the steroids desogestrel and estrone, utilizing a 1,4 addition/alkylation process to install the correct stereochemistry at C8, C13 and C14 in a single-pot operation. The racemic total synthesis of desogestrel includes a successful domino anionic cyclisation leading to the formation of the steroid C and B rings in a single operation with complete stereocontrol at C9. The ?-keto phosphonates obtained were subsequently subjected to A-ring annelation via a multistep one-pot process. The enantioselective synthesis as well as the racemic total synthesis of estrone include a sequential C and B-ring formation through ring closing metathesis and intramolecular Heck reaction" @default.
- W777320194 created "2016-06-24" @default.
- W777320194 creator A5008500378 @default.
- W777320194 date "2010-08-27" @default.
- W777320194 modified "2023-09-23" @default.
- W777320194 title "A novel, versatile D-BCD steroid construction strategy, illustrated by the total syntheses of estrone and desogestrel" @default.
- W777320194 hasPublicationYear "2010" @default.
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