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mafei1987

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2Â¥2011-08-09 23:11:53
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longlenovo

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mafei1987(½ð±Ò+3, ²©Ñ§EPI+1): 2011-08-16 23:16:23
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The preparation and some reactions of 2,5-dichloro-1,1,1,6,6,6-hexafluoro-3,4-diazahexa-2,4-diene
Michael G. Barlow, David Bell, Neil J. O'Reilly and Anthony E. Tipping
Department of Chemistry, University of Manchester Institute of Science and Technology, Manchester M60 1QD U.K.
Received 29 April 1983;  accepted 24 May 1983.  Available online 5 March 2001.
Abstract
The title azine(I) can be conveniently prepared by treatment of 1,2-bistrifluoroacetylhydrazine with  - dimethylaniline hydrochloride in phosphoryl chloride at  . 100 ¡ãC. It undergoes facile displacement of one or both chlorine atoms on treatment with a variety of nitrogen-, oxygen- and sulphur-centred nucleophiles as well as with iodide and fluoride ions. The bisanilino-substituted azine (Vd) is thermally unstable and cyclises with elimination of aniline to the triazole (Vla), while the perfluoroazine (Vj) undergoes cycloaddition with acetylene.
https://www.sciencedirect.com/sc ... i/S0022113900851349
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3Â¥2011-08-10 23:04:51
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mafei1987

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4Â¥2011-08-11 12:18:41
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nnnas

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mafei1987(½ð±Ò+2): 2011-08-16 23:16:34
ElsevierµÄÆÚ¿¯ È¥ÎÄÏ×ÇóÖú°æ·¢¸öÌû ·Ö·ÖÖÓÍê³É
5Â¥2011-08-11 15:01:14
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longlenovo

½ð³æ (СÓÐÃûÆø)

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3Â¥: Originally posted by longlenovo at 2011-08-10 23:04:51:
Ö»ÒªÕªÒª£¬ÔÚsciendirectÊý¾Ý¿âÖÐ
The preparation and some reactions of 2,5-dichloro-1,1,1,6,6,6-hexafluoro-3,4-diazahexa-2,4-diene
Michael G. Barlow, David Bell, Neil J. O'Reilly and Anthony E. Ti ...

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