- Tetrachloro benzoyl chloride synthesis method (by machine translation)
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The invention relates to a synthesis method of tetrachloro benzoyl chloride, the specific step includes: A. at the end face of proper amount added in tetrachloro phthalic anhydride, potassium carbonate and distilled water stirring and heating, temperature
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Paragraph 0016; 0018
(2018/03/25)
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- Preparation method of 2,3,4,5-tetrachlorobenzoyl chloride
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The invention relates to a preparation method of 2,3,4,5-tetrachlorobenzoyl chloride. The preparation method comprises the specific steps: A, adding a proper amount of tetrachlorophthalic anhydride, sodium hydroxide and distilled water into a pressure ket
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Paragraph 0016; 0018
(2018/03/25)
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- High-yield 2,3,4,5-tetrachlorobenzoyl chloride preparation method
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The invention discloses a high-yield 2,3,4,5-tetrachlorobenzoyl chloride preparation method. 2,3,4,5-tetrachlorobenzoic acid is firstly prepared from tetrachlorophthalic anhydride used as a raw material, then the final product 2,3,4,5-tetrachlorobenzoyl c
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Paragraph 0012-0015
(2018/04/01)
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- Aryne formation from 1-(3′-Carboxyaryl)-3,3-dim ethyl trianzenes
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A study of the decomposition of 1-(2′-carboxyphenyl)-3,3-dimethyltriazene and the tetrabromoand tetrachloro- analogues showed that the arenediazonium-2-carboxylates were intermediates in the formation of the corresponding arynes: the 1-(2′-carboxyteirahalophenyl)-3,3-dimethyltriazenes are stable precursors that enable cycloaddition reactions of the tetrahalobenzynes to be carried out in acceptable yields using substrates such as N-methylpyrrole,p-xylene and m-dimethoxybenzene.
- Christopher Buxton,Heaney, Harry
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p. 3929 - 3938
(2007/10/02)
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- Participation of Solvent Dimethylformamide during Attempted Nucleophilic Displacement of Chlorine in Tetrachlorophthalic Anhydride
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The interaction of tetrachlorophthalic anhydride with dimethylformamide at its reflux temperature either in the presence or absence of an aryl oxide or alkoxide furnishes predominently N,N-dimethyl-2,3,4,5-tetrachlorobenzamide (3) in contrast to the corresponding acid (4), as reported in literature.
- Ramadas, Sukuru R.,Pillai, Chandrasekaran N.,Bakthavatchalam, Rajagopal
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p. 1059 - 1060
(2007/10/02)
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