EDA Complex-Promoted Cascade Cyclization of Alkynes Enabling the Rapid Assembly of 3-Sulfonylindoles and Vinyl Sulfone Oxindoles.
Sign Up to like & getrecommendations! Published in 2024 at "Organic letters"
DOI: 10.1021/acs.orglett.4c01977
Abstract: Herein, we disclose a photoinduced radical cascade cyclization of alkynes with sulfinates via a novel EDA complex for the synthesis of various 3-sulfonylindoles and vinyl sulfone oxindoles, which are crucial motifs in medicinal and biological… read more here.
Keywords: cyclization alkynes; sulfonylindoles vinyl; vinyl sulfone; cyclization ... See more keywords
Photoinduced Photocatalyst-Free Cascade Cyclization of Alkynes with Sodium Sulfinates for the Synthesis of Benzothiophenes and Thioflavones
Sign Up to like & getrecommendations! Published in 2023 at "Molecules"
DOI: 10.3390/molecules28114436
Abstract: The subject of this investigation is a new method for the construction of sulfonylated heterocycles which overcomes the limitations of classical approaches using a cheap feedstock sulfonylating agent, especially under photocatalyst- and metal-free conditions. read more here.
Keywords: photocatalyst free; cascade cyclization; free cascade; alkynes sodium ... See more keywords