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Synthesis of oxazolidinones and derivatives

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Synthesis of oxazolidin-2-ones derivatives was carried out starting from urea and ethanolamine reagents using microwave irradiation in a chemical paste medium in which a catalytic amount of nitromethane absorbs the microwaves and generates hot spots.
G. Bratulescu, Synthesis, 2007, 3111-3112.


An efficient, versatile and practical gram-scale preparation of oxazolidinone, imidazolidinone and dioxolanone is achieved.
N. Alouane, A. Boutier, C. Baron, E. Vrancken, P. Mangeney, Synthesis, 2006, 860-864.


Carbonylimidazole derivatives are highly active acylation reagents for esterification and amidation in the presence of pyridinium salts as catalysts. These reactions are thought to involve both Brønsted acid and nucleophilic catalysis. This mode of activation has been applied to the synthesis of difficult to access oxazolidinones, as well as esters and amides.
S. T. Heller, T. Fu, R. Sarpong, Org. Lett., 2012, 14, 1970-1973.


A mild Pd-catalyzed ring-opening cyclization reaction of 2-vinylaziridines with an ambient atmosphere of carbon dioxide gives 5-vinyloxazolidinones in high yield as well as regio- and stereoselectivity.
F. Fontana, C. C. Chen, V. K. Aggarwal, Org. Lett., 2011, 13, 3454-3457.


An oxidative cleavage of alkyl C-Pd bond by H2O2 enables a palladium-catalyzed intramolecular aminohydroxylation to give various heterocycles with good yields and excellent diastereoselectivities. Facile transformation of these products provided a powerful tool toward the synthesis of 2-amino-1,3-diols and 3-ol amino acids. Preliminary mechanistic studies revealed that a SN2 type attack of water at a high-valent Pd center is involved.
H. Zhu, P. Chen, G. Liu, J. Am. Chem. Soc., 2014, 136, 1766-1769.


The use of Pd(OAc)2 and n-Bu4NOAc as catalysts enables ane efficient and simple synthesis of oxazolidinones, oxazolidinthiones, imidazolidinthiones, and imidazolidinones from the corresponding propargylic starting materials in DCE at room temperature.
S. K. Alamsetti, A. K. Å. Persson, J.-E. Bäckvall, Org. Lett., 2014, 16, 1434-1437.


A mild and efficient gold(I)-catalyzed rearrangement of propargylic tert-butylcarbamates allows the synthesis of various 5-methylene-1,3-oxazolidin-2-ones, which would be less conveniently obtained using other methods.
A. Buzas, F. Gagosz, Synlett, 2006, 2727-2730.


Various N-Boc-protected alkynylamines are converted into the corresponding alkylidene 2-oxazolidinones or 2-oxazinones under very mild reaction conditions in the presence of a cationic Au(I) complex in high yield regardless of the substitution at nitrogen and alkyne terminus.
R. Robles-Machin, J. Adrio, J. C. Carretero, J. Org. Chem., 2006, 71, 4951-4955.


A nickel-catalyzed cycloaddition of aziridines with isocyanates proceeded smoothly to give iminooxazolidine derivatives in good yields. A longer reaction time allowed the isomerization of the iminooxazolidine to the corresponding imidazolidinone derivatives.
T. Munegumi, I. Azumaya, T. Kato, H. Masu, S. Saito, Org. Lett., 2006, 8, 379-382.