65655-68-7Relevant academic research and scientific papers
Identification of degradation products of the avicide 3-chloro-p- toluidine hydrochloride in louisiana rice fields
Primus, Thomas M.,Tawara, Jeanne N.,Johnston, John J.,Cummings, John L.,Volz, Stephanie A.,Goodall, Margaret J.,Hurlbut, Daniel B.,Griffin, Doreen L.,Turnipseed, Sherri
, p. 346 - 350 (1997)
An investigation of the migration of 3-chloro-p-toluidine hydrochloride (CPTH) on treated rice baits to soils in Louisiana rice fields was completed. The persistence of free CPTH in these soils was evaluated with field and laboratory experiments. These so
SO2F2-mediated oxidation of primary and tertiary amines with 30% aqueous H2O2 solution
Liao, Xudong,Zhou, Yi,Ai, Chengmei,Ye, Cuijiao,Chen, Guanghui,Yan, Zhaohua,Lin, Sen
supporting information, (2021/11/01)
A highly efficient and selective oxidation of primary and tertiary amines employing SO2F2/H2O2/base system was described. Anilines were converted to the corresponding azoxybenzenes, while primary benzylamines were transformed into nitriles and secondary benzylamines were rearranged to amides. For tertiary amine substrates quinolines, isoquinolines and pyridines, their oxidation products were the corresponding N-oxides. The reaction conditions are very mild and just involve SO2F2, amines, 30% aqueous H2O2 solution, and inorganic base at room temperature. One unique advantage is that this oxidation system is just composed of inexpensive inorganic compounds without the use of any metal and organic compounds.
Method for synthesizing oxidized azo compound through selective oxidation of aromatic amine
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Paragraph 0027-0051; 0052-0054; 0056, (2019/02/13)
The invention discloses a method for synthesizing an oxidized azo compound through selective oxidation of an aromatic amine, wherein an aromatic amine is used as a raw material, hydrogen peroxide is used as an oxidizing agent, a titanium-silicon molecular sieve or a metal modified titanium-silicon molecular sieve is used as a catalyst, and the aromatic amine is subjected to selective catalytic oxidation to prepare the corresponding oxidized azobenzene compound. According to the present invention, the method has advantages of environmental protection, good selectivity, high product yield, easyseparation and recycling of the catalyst, simple instrument required by the reaction, and easy operation.
Flow cell electrosynthesis of phenylhydroxylamines. In situ reaction with arenesulfonyl chlorides. A convenient route to arenesulfinic acids synthesis.
Moinet, C.,Raoult, E.
, p. 214 - 221 (2007/10/02)
First, electrosyntheses of phenylhydroxylamines in a flow cell fitted with porous cathode and two counter-electrodes are described.Good yields are attained when electrolyses are performed in buffered aqueous organic or aqueous media.Reaction between p-toluenesulfonyl chloride and N-(3-chloro-4-methylphenyl)hydroxylamine, at the outlet of the cell, leads to a N-sulfonylated phenylhydroxylamine (N-addition); hydrolysis of this latter occurs in aqueous basic media to give the corresponding nitrosobenzene and sodium p-toluenesulfinate.As a result, some arenesulfinic acids have been directly obtained after reaction of arenesulfonyl chloride with sodium salt of 3-hydroxylaminobenzoate and 3-hydroxylaminobenzenesulfonate in aqueous phosphate buffer (pH 7).Next, an examination of the reaction of p-toluenesulfonyl chloride with phenylhydroxylamine in organic solvent, in the presence of triethylamine or of sodium carbonate, shows the importance of experimental conditions to control N-addition or O-addition.Addition of some arenesulfonyl chlorides to phenylhydroxylamine, in ether or dichloromethane containing sodium carbonate, gives only the N-sulfonylated phenylhydroxylamines.These compounds lead to nitrosobenzene and arenesulfinate anions in aqueous basic media.Aliphatic or aromatic sulfinic acids can be prepared in this way.
