Journal
TETRAHEDRON LETTERS
Volume 56, Issue 21, Pages 2735-2740Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2015.04.020
Keywords
Organoselenium compounds; Green chemistry; Benzoselenazoles; Benzoselenazolines; Glycerol
Categories
Funding
- FINEP
- CAPES
- CNPq [447595/2014-8, 400150/2014-0, 306430/2013-4]
- FAPERGS
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We describe here our results on the addition of 2-amino-benzeneselenol, generated in situ by reaction of bis(2-aminophenyl)-diselenide with H3PO2, to p-dicarbonyl compounds using glycerol as solvent. Depending on the nature of p-dicarbonyl compounds used in reactions, benzoselenazoles or benzoselenazolines were obtained in good yields under mild conditions. When the reactions of in situ generated 2-amino-benzeneselenol were performed with 1,3-diketones, benzoselenazoles were formed in good yields, whereas reactions carried out with p-keto-esters provided benzoselenazolines in high yields. (C) 2015 Published by Elsevier Ltd.
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