The Journal of organic chemistry
One-Pot Assembly of Dihydrofluoren-3-ones via Intramolecular Annulation of Alkynyl-Alkynones: A Way to Functionalized Fluorenes.
Chada Raji Reddy, Ankita Kumari, Adla Vijender, Shiva Kumar Kota Balaji, René Grée
Published: 202510.1021/acs.joc.5c01964
Abstract
Herein, we reveal an approach for the synthesis of a unique structural framework, dihydrofluoren-3-one, from the reaction of propargylic alcohol with alkynyl silyl enol ether. The transformation proceeds through acid-catalyzed propargylation of silyl…
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