Preparation of 1,3,4-oxadiazoles and 1,3,4-thiadiazoles via chemoselective сyclocondensation of electrophilically activated nitroalkanes to (thio)semicarbazides or thiohydrazides

Preparation of 1,3,4-oxadiazoles and 1,3,4-thiadiazoles via chemoselective сyclocondensation of electrophilically activated nitroalkanes to (thio)semicarbazides or thiohydrazides

Unusual reaction proceeding via the electrophilic activation of nitroalkanes in the presence of polyphosphoric acid has been discovered. Subsequent nucleophilic attack with semicarbazides or thiosemicarbazides allows to access 2-amino-1,3,4-oxadiazoles and 2-amino-1,3,4-thiadiazoles, respectively

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Xehetasun bibliografikoak
Egile Nagusiak:	Aksenov, N. A., Аксенов, Н. А., Arutiunov, N. A., Арутюнов, Н. А., Kirilov, N. K., Кирилов, Н. К., Aksenov, D. A., Аксенов, Д. А., Aksenov, A. V., Аксенов, А. В., Rubin, M. A., Рубин, М. А.
Formatua:	Статья
Hizkuntza:	English
Argitaratua:	Springer 2020
Gaiak:	1,3,4-oxadiazoles 1,3,4-thiadiazoles Bronsted acid catalysis Cascade reaction Nitroalkanes Nucleophilic cycloadition Semicarbazides Thiosemicarbazides
Sarrera elektronikoa:	https://dspace.ncfu.ru/handle/20.500.12258/14299
Etiketak:	Etiketa erantsi Etiketarik gabe, Izan zaitez lehena erregistro honi etiketa jartzen!

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