Cobalt(II) complexes of 5,7-dimethyl[1,2,4]-triazolo-[1,5-a]-pyrimidine. Spectroscopic characterization, XRD study and antimicrobial activity
✍ Scribed by María A. Romero; Juan M. Salas; Miguel Quirós; David J. Williams; José Molina
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 421 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0340-4285
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## Abstract magnified image A series of novel 1,2,4‐triazolo[1,5‐a]pyrimidine derivatives containing an α‐amino phosphonate moiety **5** were designed and synthesized by the multi‐step reactions. Their structures were clearly confirmed by spectroscopic data (IR, ^1^H NMR, ^31^P NMR, MS) and elemen
## Abstract The ^1^H{^15^N} NMR spectrum of 5,7‐diphenyl‐1,2,4‐triazolo[1,5‐__a__]‐pyrimidine (**3**) was measured by GHMQC, unambiguously assigned and compared with the spectra of 1,2,4‐triazolo[1,5‐__a__]pyrimidine (**1**) and 5,7‐dimethyl‐1,2,4‐triazolo[1,5‐__a__]pyrimidine (**2**). A series of
## Abstract New functionalized 1,7‐diaryl‐6‐cyano‐1,2,4‐triazolo[4,3‐__a__]pyrimidin‐5(1__H__)‐one derivatives (**5a–j**) were synthesized via reaction of 5‐cyano‐6‐phenyl‐2‐thiouracil **1** with the respective hydrazonoyl halides **2a–j** and their biological activity was evaluated. The mechanism