Zobrazeno 1 - 3
of 3
pro vyhledávání: '"G. A. Polinovskii"'
Publikováno v:
Astronomy Reports. 61:53-69
The evolutionary status of the bright peculiar carbon giant TU Gemis fairly uncertain. The possibility that this is aCH star—aGalactic halo star with characteristic chemical-composition anomalies—is considered. Unfortunately, data on the atmosphe
Autor:
G. A. Polinovskii, Z. F. Solomko
Publikováno v:
Chemistry of Heterocyclic Compounds. 5:649-651
2-(N-Arylaminoethyl)benzimidazoles have been obtained by various methods. The best method is shown to be by reaction of N-aryl-β- alanine imidate ester hydrocnlorides with o-phenylenediamine. It has been found that, in presence of polyphosphoric aci
Publikováno v:
Chemistry of Heterocyclic Compounds. 4:380-382