C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 275/68 (2006.01) C07C 273/18 (2006.01)
Patent
CA 2246941
A process for the preparation of a nitrosourea derivative, in particular 1,2-bis(2-chloroethyl)-1-nitrosourea, comprises reacting a non-nitrosated urea derivative with a metal nitrite in a two-phase solvent system comprising an aqueous acid and a non-miscible organic solvent.
Méthode pour la préparation d'un dérivé de nitroso-urée, notamment de 1,2-bis(2-chloroéthyl)-1-nitrosourée, consistant à faire réagir un dérivé d'urée non nitrosé, avec un nitrite de métal dans un système de solvant à deux phases, comprenant un acide aqueux et un solvant organique non-miscible.
Mcwilliams Matthew Patrick
Sapino Chester
Johnson Matthey Public Limited Company
Ridout & Maybee Llp
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