Copper-catalyzed synthesis of spiro-indolofurobenzopyrans: tandem reactions of diazoamides and O-propargyl salicylaldehydes
Author:
Affiliation:
1. School of Chemistry
2. Bharathidasan University
3. Tiruchirappalli-620 024
4. India
5. CSIR-Central Salt & Marine Chemicals Research Institute
6. Bhavnagar-364 002
Abstract
An atom-economical synthesis of spiro-indolofurobenzopyrans was developed from diazoamides and O-propargyl salicylaldehydes in the presence of copper(i) thiophene-2-carboxylate in a diastereoselective manner.
Funder
Science and Engineering Research Board
University Grants Commission
Publisher
Royal Society of Chemistry (RSC)
Subject
Organic Chemistry,Physical and Theoretical Chemistry,Biochemistry
Link
http://pubs.rsc.org/en/content/articlepdf/2019/OB/C9OB01275C
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