C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 239/20 (2006.01) C07C 253/30 (2006.01) C07C 255/64 (2006.01) C07C 259/06 (2006.01)
Patent
CA 2147590
The present invention relates to a process for producing a substituted amine represented by the general formula (IV): R2NHOR3 (IV) (wherein R2 represents a hydrogen atom, a hydrocarbon group or a heteroatom-containing hydrocarbon group, and R3 represents a hydrocarbon group or a heteroatom-containing hydrocarbon group), which comprises the steps of: (b) reacting a hydroxamic acid represented by the general formula (II): R1CONHOH (II) (wherein R1 represents a hydrogen atom or a hydrocarbon group) in the presence of a base with a reaction reagent capable of introducing a hydrocarbon or a heteroatom-containing hydrocarbon group to an oxygen atom and/or a nitrogen atom to form a substituted hydroxamic acid represented by the general formula (III): Image (III) (wherein R1, R2 and R3 possess the same meanings as defined above), (c) hydrolyzing said substituted hydroxamic acid (III) in the presence of a base or an acid to produce a substituted amine represented by the general formula (IV): R2NHOR3 (IV) (wherein R2 and R3 possess the same meanings as defined above). The present further relates to a method for purifying a synthetic intermediate for said substituted amine.
Ishitoku Takeshi
Kihara Noriaki
Motoyama Yoshio
Nagai Naoshi
Mitsui Chemicals Inc.
Smart & Biggar
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