Pyramidal nitrogen in the crystal of N-[(benzoyl)-(hydroxy)methyl]-N-benzyloxy-N’-(2-bromophenyl)urea☆

Add time:09/02/2019    Source:sciencedirect.com

Phenylglyoxal reacts with N-benzyloxy-N’-(2-bromophenyl)urea forming N-[(benzoyl)(hydroxy)methyl]-N-benzyloxy-N’-(2-bromophenyl)urea. As it was found by XRD study, the molecules of the latter in crystal exist in two forms which vary in a different degree of pyramidality of the same nitrogen atom. Reactions of N-ethoxy-N’-phenylurea and N-benzyloxy-N’-(4-nitrophenyl) urea with phenylglyoxal lead to cyclic products.

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