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KMID : 0043319910140030266
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Archives of Pharmacal Research
1991 Volume.14 No. 3 p.266 ~ p.270
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Synthesis of C-(2-Furyl)-N-(4-nitrophenyl)methanohydrazonyl Bromide. Reactions with Nucleophiles and Active Methylene Compounds
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Hassaneen HM
Shawali AS/Elwan NM/Ibrahim
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Abstract
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Synthesis of C-(2-furyl)-N-(4-nitrophenyl)methanohydrazonyl bromide 2 is described. Treatment of 2 with nucleophiles affords the corresponding substitution products 3-7. Also, compound 2 reacts with selenocyanate anion and thiocyanate anion and give the corresponding selenadiazoline and thiadiazoline 8 and 9, respectively. Moreover, reaction of 2 with enolates of various active methylene compounds afforded the pyrazole derivatives 17-20.
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