Add to ORKGA convenient method toward the synthesis of alpha-amino acid-derived unsymmetrical ureas 2 is described herein. This route involves an interesting rearrangement of amides of N-Cbz-alpha-amino acids 1, which pre-sumably entails the intermediacy of hydantoins that is followed by hydrolysis to afford unsymmetrical ureas 2 in quantitative yields and high purity. (C) 2013 Elsevier Ltd. All rights reserved
The titled approaches were effected with various 2-substituted benzoylacetic acid oximes 3 (Beckmann...
alpha-Glycosyl ureas can be synthesised directly from tetra-O-benzyl glycosyl azides and isocyanates...
A mild and metal-free synthesis of unsymmetrical ureas and carbamates from amine and atmospheric car...
A convenient method toward the synthesis of α-amino acid-derived unsymmetrical ureas 2 is described ...
A new simple approach to the synthesis of unsymmetrical ureas HetNC(O)NRR¢ (HetNH = pyrrole, indole...
A simple and efficient two-step synthesis of unsymmetrically substituted ureas containing an amino a...
Selective hydrolysis of carbonimidodithioates (3) leads to the thiocarbamates (4), which can be easi...
Application of the Lossen rearrangement to the synthesis of N-urethane protected α-peptidyl ureas an...
We gratefully acknowledge financial support from the BBSRC (Grant no. BB/I022910/1 and the European ...
The synthesis of α-ureidopeptidomimetics employing a simple, mild and straight forward route startin...
Ethyl 2-cyano-2-(4-nitrophenylsulfonyloxyimino)acetate (4-NBsOXY) mediated Lossen rearrangement and...
International audienceA direct and convenient method for the preparation of N-substituted ureas is a...
AbstractA simple and efficient route for the synthesis of Unsymmetrical N,N′-diphenyl urea have been...
In a simple, one-pot procedure, H2O2 has been utilised for the synthesis of unsymmetrical ureas from...
A practical one-pot synthesis of ureas is described. Boc-protected amines can be transformed into no...
The titled approaches were effected with various 2-substituted benzoylacetic acid oximes 3 (Beckmann...
alpha-Glycosyl ureas can be synthesised directly from tetra-O-benzyl glycosyl azides and isocyanates...
A mild and metal-free synthesis of unsymmetrical ureas and carbamates from amine and atmospheric car...
A convenient method toward the synthesis of α-amino acid-derived unsymmetrical ureas 2 is described ...
A new simple approach to the synthesis of unsymmetrical ureas HetNC(O)NRR¢ (HetNH = pyrrole, indole...
A simple and efficient two-step synthesis of unsymmetrically substituted ureas containing an amino a...
Selective hydrolysis of carbonimidodithioates (3) leads to the thiocarbamates (4), which can be easi...
Application of the Lossen rearrangement to the synthesis of N-urethane protected α-peptidyl ureas an...
We gratefully acknowledge financial support from the BBSRC (Grant no. BB/I022910/1 and the European ...
The synthesis of α-ureidopeptidomimetics employing a simple, mild and straight forward route startin...
Ethyl 2-cyano-2-(4-nitrophenylsulfonyloxyimino)acetate (4-NBsOXY) mediated Lossen rearrangement and...
International audienceA direct and convenient method for the preparation of N-substituted ureas is a...
AbstractA simple and efficient route for the synthesis of Unsymmetrical N,N′-diphenyl urea have been...
In a simple, one-pot procedure, H2O2 has been utilised for the synthesis of unsymmetrical ureas from...
A practical one-pot synthesis of ureas is described. Boc-protected amines can be transformed into no...
The titled approaches were effected with various 2-substituted benzoylacetic acid oximes 3 (Beckmann...
alpha-Glycosyl ureas can be synthesised directly from tetra-O-benzyl glycosyl azides and isocyanates...
A mild and metal-free synthesis of unsymmetrical ureas and carbamates from amine and atmospheric car...