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Synthesis of ethyl 2-((4-phenyl-1H-1,2,3-triazol-1-yl)methyl)-4H/2H-chromene- 3-carboxylates by cycloaddition of ethyl 2-(azidomethyl)-4H-chromene-3- carboxylates with alkynes

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Title Synthesis of ethyl 2-((4-phenyl-1H-1,2,3-triazol-1-yl)methyl)-4H/2H-chromene- 3-carboxylates by cycloaddition of ethyl 2-(azidomethyl)-4H-chromene-3- carboxylates with alkynes
 
Creator Mudulkar, Sairam
Kolla, Sai Teja
Bhimapaka, China Raju
 
Subject 2H-/4H-Chromene-1,2,3-triazoles
4H-chromene-3-carboxylates
click reaction
2H-chromenes
 
Description 809-815
The cycloaddition reaction of ethyl 2-(azidomethyl)-4H-chromene-3-carboxylates with phenylacetylene/
4-fluorophenylacetylene have provided a mixture of 2H- and 4H-triazolylchromene-3-carboxylates. 4-Methoxyphenylacetylene,
3-methylphenylacetylene and acetylenedicarboxylates have provided exclusively 2H-triazolylchromene-3-carboxylates.
Interestingly, prop-2-yn-1-ol and ethyl propiolate have provided exclusively 4H-triazolylchromene-3-carboxylates.
 
Date 2022-08-16T09:06:19Z
2022-08-16T09:06:19Z
2022-08
 
Type Article
 
Identifier 2583-1321 (Online); 0019-5103 (Print)
http://nopr.niscpr.res.in/handle/123456789/60304
https://doi.org/10.56042/ijc.v61i8.63519
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJC Vol.61(08) [AUG 2022]