2016
DOI: 10.1016/j.jscs.2012.08.007
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Unexpected products from the reaction of different compounds with hydrazine hydrate or aryl thiosemicarbazides

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Cited by 4 publications
(2 citation statements)
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“…But in fact, the intermediate compound ( 1E,2E)-1,2bis(4,5-dimethoxy-2-nitrobenzylidene)hydrazine 2 could not be afforded, so we attempted another procedure to produce the TM compound. Chaaban et al [27] have described an unusual synthesis route in the synthesis of azine derivative compounds through benzylidine derivatives with electronwithdrawing (EWG) groups. In this case, we used different compound, namely 2-(4,5-dimethoxy-2nitrobenzylidene)malononitrile 3 or (E)-1,2-dimethoxy-4-nitro-5-(2-nitrovinyl)benzene 4 with electron-withdrawing groups of nitrile and nitro.…”
Section: Resultsmentioning
confidence: 99%
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“…But in fact, the intermediate compound ( 1E,2E)-1,2bis(4,5-dimethoxy-2-nitrobenzylidene)hydrazine 2 could not be afforded, so we attempted another procedure to produce the TM compound. Chaaban et al [27] have described an unusual synthesis route in the synthesis of azine derivative compounds through benzylidine derivatives with electronwithdrawing (EWG) groups. In this case, we used different compound, namely 2-(4,5-dimethoxy-2nitrobenzylidene)malononitrile 3 or (E)-1,2-dimethoxy-4-nitro-5-(2-nitrovinyl)benzene 4 with electron-withdrawing groups of nitrile and nitro.…”
Section: Resultsmentioning
confidence: 99%
“…The synthesis of TM compounds from intermediates 3 and 4 was carried out by one-pot reaction via modifying the procedure described by Chaaban et al [27] using Pd/C metal as a catalyst in the reduction step of the aryl nitro group into amines with hydrazine hydrate in excess. The TM has been also obtained from the reaction of hydrazone 5 with hydrazine hydrate and Pd/C, where the route of synthesis was applied for the one-pot transformation of nitrohydrazone 5 into aminoazine TM.…”
Section: Resultsmentioning
confidence: 99%