1072-67-9, Name is 5-Methylisoxazol-3-amine, belongs to isoxazole compound, is a common compound. HPLC of Formula: C4H6N2OIn an article, once mentioned the new application about 1072-67-9.
A stable with the position element deuterium-labeled sulfa drugs and its preparation method (by machine translation)
The invention belongs to the technical field of chemical synthesis, in particular to a stabilized with the position element deuterium-labeled sulfa drugs and its preparation method, comprising the steps of: (1) benzene – d for6 (I) for nitration preparation deuterium labeled nitrobenzene – d5 (II), (2) deuterium labeled nitrobenzene – d5 (II) nitro reduction […] mark aniline – d5 (III), (3) in water-free sodium acetate and glacial acetic acid under the condition, deuterium-labeled aniline – d5 (III) with acetic anhydride […] mark N – acetanilide – d5 (IV), (4) deuterium labeled N – acetanilide – d5 (IV) reaction with the chlorosulfonic acid […] mark 1 – chloro sulfonyl – 4 – acetyl amino – d4 (V), (5) R substitution deuterium labeled 1 – chloro sulfonyl – 4 – acetyl amino – d4 (V) the chlorine, followed by hydrolysis, to make the same position element deuterium-labeled sulfa drugs (VII). The invention provides a preparation method of simple reaction conditions, the reaction time is short, high conversion efficiency, economy is strong, and being suitable for mass synthesis. (by machine translation)
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Reference：
Isoxazole – Wikipedia,
Isoxazole | C3H3NO – PubChem