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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 41, 2011 - Issue 6
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Original Articles

Facile and Mild Process for Chemical Fixation of CO2 to 4-Methylene-1,3-oxazolidin-2-ones Under Solvent-Free Conditions

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Pages 858-863 | Received 15 Sep 2008, Published online: 25 Feb 2011
 

Abstract

4-Methylene-1,3-oxazolidin-2-ones were prepared via the cycloadditon reaction of propargylic alcohols with primary amines and CO2 under atmospheric pressure at 60 °C in the absence of any additional solvent. This methodology affords an ecofriendly, mild, and easy approach to chemical fixation of CO2.

Notes

a Condition: 2-methylbut-3-yn-2-ol (2 mmol), n-butylamine (2–6 mmol), catalyst (0.1 mmol).

b Isolated yields based on 2-methylbut-3-yn-2-ol.

c 2-Methylbut-3-yn-2-ol remained unchanged.

a Reagents and conditions: alcohol 1 (2 mmol), amine 2 (4 mmol), CuCl (0.1 mmol), 60 °C, 24 h.

b Isolated yield based on alcohol.

c No desired product detected.

d Alcohol remained unchanged.

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