50987-38-7Relevant articles and documents
[3+1+1] type cyclization of ClCF2COONa for the assembly of imidazoles and tetrazolesvia in situgenerated isocyanides
Song, Qiuling,Wang, Ya,Zhou, Yao
supporting information, p. 6106 - 6109 (2020/06/10)
A facile synthesis of imidazoles and tetrazolesvia[3+1+1] type cyclization of ClCF2COONa is developed. A diverse array of imidazoles and tetrazoles were obtained in decent yieldsviaisocyanide intermediates. Notably, this is the first example of the cycloaddition ofin situgenerated isocyanides.
Selective Gold-Catalysed Synthesis of Cyanamides and 1-Substituted 1H-Tetrazol-5-Amines from Isocyanides
?koch, Karel,Císa?ová, Ivana,?těpni?ka, Petr
supporting information, p. 13788 - 13791 (2018/09/14)
The newly discovered gold-catalysed reaction of isocyanides with hydrazoic acid generated in situ from trimethylsilyl azide and methanol (or, alternatively, from NaN3/AcOH) produces either cyanamides or 1-substituted 1H-tetrazol-5-amines, depending on the amount of available HN3. The reaction proceeds selectively and in generally high yields of either product, thus providing a particularly convenient access to a wide range of substituted 1H-tetrazol-5-amines that are rather difficult to access otherwise.
Synthesis of new functionally substituted 1-R-tetrazoles and their 5-amino derivatives
Voitekhovich,Vorob'ev,Gaponik,Ivashkevich
, p. 999 - 1004 (2007/10/03)
It has been shown that amino derivatives of sulfanilamide, and also some functionally substituted primary arylamines and cycloalkylamines, undergo heterocyclization with triethyl orthoformate and sodium azide with the formation of 1-monosubstituted tetraz
