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- Title
Synthesis, QSAR and docking studies of 5HT<sub>2A</sub> receptor antagonising thiazolo[3,2-a]pyrimidines as antipsychotic agents.
- Authors
SAWANT, Ramesh L.; RAMDIN, Supriya S.; WADEKAR, Jyoti B.
- Abstract
A series of twenty two compounds containing thiazolo[3,2-a] pyrimidine carboxamide nucleus was synthesized by using microwave. Substituted acetoacetanilide was condensed with thiourea and substituted benzaldehydes in the presence of p-toluenesulfonic acid as catalyst in ethanol to get 2-thioxo- 1,2,3,4-tetrahydropyrimidine carboxamide. In the second step, 1,2,3,4-tetrahydropyrimidine carboxamides were treated with chloroacetic acid, anhydrous sodium acetate and glacial acetic acid to yield the title compounds. The reaction progress and purity of the synthesized compounds were monitored by TLC using silica gel G and by determining their melting points. Structures of title compounds were confirmed by elemental analysis, IR, ¹H NMR and mass spectral data. The antipsychotic activity for title compounds was performed using albino mice by rotarod and tail suspension method. Compounds have shown antipsychotic activity comparable with the standard risperidone. The 2D, 3D QSAR and molecular docking studies were performed using VLife MDS 3.5 software. The molecular modelling studies reveals that more potent antipsychotics from this series can be generated by substituting electronegative group at para and meta position of N-phenyl ring and less bulky group at 5-phenyl ring of thiazolo[3,2-a]pyrimidine-6-carboxamide nucleus.
- Subjects
PYRIMIDINES; MOLECULAR docking; SCHIZOPHRENIA; BENZALDEHYDE; LABORATORY mice
- Publication
Marmara Pharmaceutical Journal, 2014, Vol 18, Issue 3, p109
- ISSN
1309-0801
- Publication type
Article
- DOI
10.12991/mpj.2014187237