Jaroslav Podlaha, Ivana Cíísařová, Ludmila Soukupová, Jan Schraml and Otto Exner
J. Chem. Res. (S), 1998, 520-521
DOI:
10.1039/A802942C,
Paper
Neutral alkali metal salts of benzhydroxamic acids described in the literature are in fact acid salts; neutral salts rearrange to N,N′-diarylureas under mild conditions.