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- W2362829845 abstract "N,N′-Bis(2-pyridinecarboxamide)-1,2-ethane was synthesized for 2-pyridine-carboxylic acid and ethylenediamie with the method of triphenyl phosphite. The optimum conditions were obtained as follows: the molar ratio of triphenyl phosphite and 2-pyridinecarboxylic acid was 0.7∶1,temperature and time of reaction were(90°C) and 3 h.The product was characterized by IR,MS and()~1H NMR.The purity of the product was 99.2% and the yield is 85.6%.The results showed that the method of triphenyl phosphite had many advantages,such as easy to operate and high-purity of the product." @default.
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- W2362829845 date "2008-01-01" @default.
- W2362829845 modified "2023-09-27" @default.
- W2362829845 title "Synthesis of N,N′-Bis(2-pyridinecarboxamide)-1,2-ethane" @default.
- W2362829845 hasPublicationYear "2008" @default.
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