A Simple and Efficient Method for the Synthesis of ۲,۳,۵,۶-Tetrachloro-۴- iodopyridine, and its Reactivity Toward Hard and Soft Nucleophiles
محل انتشار: دوفصلنامه تحقیقات شیمی آلی، دوره: 5، شماره: 1
سال انتشار: 1398
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 48
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شناسه ملی سند علمی:
JR_ORGC-5-1_008
تاریخ نمایه سازی: 3 مهر 1402
چکیده مقاله:
۲,۳,۵,۶-tetrachloro-۴-iodopyridine was successfully synthesized in one-step from the reaction of pentachloropyridine with sodium iodide using microwave irradiation. The reaction of O, N, and S centered nucleophiles with ۲,۳,۵,۶-tetrachloro-۴-iodopyridine was studied in order to assess regiochemistry of aromatic nucleophilic substitution. Substitution occurs at the para position to ring nitrogen by S centered nucleophiles, while O and N centered nucleophiles substitution occurs at the ortho position of pyridine ring. IR, ۱H NMR, and ۱۳C NMR spectroscopy, confirmed the structures of all the compounds.
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نویسندگان
Reza Ranjbar-Karimi*
Department of Chemistry, Faculty of Science, Vali-e-Asr University, Rafsanjan ۷۷۱۷۶, Islamic Republic of Iran
Tayebeh Davoodian
Department of Chemistry, Faculty of Science, Vali-e-Asr University, Rafsanjan ۷۷۱۷۶, Islamic Republic of Iran
Alireza Poorfreidoni
Department of Chemistry, Faculty of Science, Vali-e-Asr University, Rafsanjan ۷۷۱۷۶, Islamic Republic of Iran
Hossein Mehrabi
Department of Chemistry, Faculty of Science, Vali-e-Asr University, Rafsanjan ۷۷۱۷۶, Islamic Republic of Iran