Diastereoselective construction of 4-indole substituted chromans bearing a ketal motif through a three-component Friedel–Crafts alkylation/ketalization sequence
Author:
Affiliation:
1. Institute of Functional Organic Molecular Engineering
2. College of Chemistry and Chemical Engineering
3. Henan University
4. Kaifeng 475004
5. China
Abstract
The first TfOH-catalyzed three-component Friedel–Crafts alkylation/ketalization sequence of indoles, alcohols and ortho-hydroxychalcones was developed to afford a wide range of 4-indole substituted chromans bearing a ketal motif in 77–99% yields.
Funder
National Natural Science Foundation of China
Foundation of Henan Educational Committee
Henan University
Publisher
Royal Society of Chemistry (RSC)
Subject
General Chemical Engineering,General Chemistry
Link
http://pubs.rsc.org/en/content/articlepdf/2018/RA/C8RA02481B
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