ÃÅÒÅÐÎÖÈÊËÈ×ÅÑÊÈÅ ÑÎÅÄÈÍÅÍÈß
ÃÅÒÅÐÎÖÈÊËÈ×ÅÑÊÈÅ ÑÎÅÄÈÍÅÍÈß ÃÅÒÅÐÎÖÈÊËÈ×ÅÑÊÈÅ ÑÎÅÄÈÍÅÍÈß, îðãàíè÷åñêèå ñîåäèíåíèÿ, ñîäåðæàùèå â ìîëåêóëå öèêë, â ñîñòàâ êîòîðîãî íàðÿäó ñ àòîìàìè óãëåðîäà âõîäÿò àòîìû äðóãèõ ýëåìåíòîâ, ÷àùå âñåãî àçîòà, êèñëîðîäà, ñåðû (ò. í. ãåòåðîàòîìû). Ïðèðîäíûå ãåòåðîöèêëè÷åñêèå ñîåäèíåíèÿ, íàïð., õëîðîôèëë, ãåì, èãðàþò âàæíóþ ðîëü â æèçíåäåÿòåëüíîñòè ðàñòèòåëüíûõ è æèâîòíûõ îðãàíèçìîâ. Ìíîãèå ãåòåðîöèêëè÷åñêèå ñîåäèíåíèÿ ïîëó÷àþò ñèíòåòè÷åñêèìè ìåòîäàìè. Íåêîòîðûå ãåòåðîöèêëè÷åñêèå ñîåäèíåíèÿ, íàïð., ïèðèäèí, õèíîëèí, òèîôåí, ôóðàí, îáëàäàþò àðîìàòè÷åñêèìè ñâîéñòâàìè (ò. í. ãåòåðîàðîìàòè÷åñêèå ñîåäèíåíèÿ).
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