Селективные реакции азидных групп, синтез и свойства высокоспиновых нитренов
Диссертация
Попытки получить более стабильные триазиды на основе реакций нуклеофильного замещения атомов галогенов на азидные группы в пиридинах 255а, б, г предпринимались в середине 70-х годов. Тогда реакции проводились в апротонных полярных растворителях (БМР, БМЗО, МеСЫ), что позволяло получать только моноазиды 256а, б, г с очень умеренными выходами. Так, длительное кипячение (10 ч) пиридина 2556 с азидом… Читать ещё >
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