Synthesis and root growth activity of some new acetylhydrazinecarbothioamides and 1,2,4-triazoles substituted with 5H-dibenzo[a,d]annulene moiety | Zendy

Laura Ileana Socea | Zendy; Theodora-Venera Apostol | Zendy; Gabriel Șaramet | Zendy; Ștefania Felicia Bărbuceanu | Zendy; Constantin Drǎghici | Zendy; Mihaela Dinu | Zendy

Open Access

Synthesis and root growth activity of some new acetylhydrazinecarbothioamides and 1,2,4-triazoles substituted with 5H-dibenzo[a,d]annulene moiety

Author(s) -

Laura Ileana Socea,

Theodora-Venera Apostol,

Gabriel Șaramet,

Ștefania Felicia Bărbuceanu,

Constantin Drǎghici,

Mihaela Dinu

Publication year - 2012

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc120120068s

Subject(s) - moiety , annulene , chemistry , ring (chemistry) , proton nmr , carbon 13 nmr , nuclear magnetic resonance spectroscopy , stereochemistry , elemental analysis , medicinal chemistry , organic chemistry

New hydrazinecarbothioamides 5a-d bearing 5H-dibenzo[a,d]an-nulene moiety were synthesized using classical procedures. 1H-NMR analysis indicated the existence of two conformational isomers, a major axial (about 75%) and a minor equatorial one (25%) which are interconvertible by middle ring inversion. Cyclization of 5a-d compounds in NaOH solution produced the corresponding 1,2,4-triazoles-3(4H)-thiol 6a-d compounds which proved to be pure axial isomers. All the new compounds were extensively characterized by elemental analysis, IR-, UV-, 1H-NMR and 13C-NMR spectroscopy and biological investigated using phytobiological tests

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