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3 International Letters of Chemistry, Physics and Astronomy

3 2014

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Two Step One-Pot Synthesis of Novel 5-(4-Fluorophenyl)-1H-Beno[e][1,4]Diazepin-2(3H)-One and it’s Base Catalyzed Transformation to N-Alkyl and C-3 Arylidene Derivatives

Patel Anil S., Khunt H. R., Ghelani S. M., Babariya J. S., Vilapara K. V., Naliapara Y. T.

International Letters of Chemistry, Physics and Astronomy

2014

Vol. 11, iss. 2

106-115

We have demonstrated two step one-pot synthesis of novel 5-(4-Fluorophenyl)-1H-Beno[e][1,4]Diazepin-2(3H)-one using 2-Amino-4’-fluorobenzophenone as initial stating material. The small library of N-alkylation and C-3 benzylidene derivatives have been synthesized by base catalyzedreaction of 5-(4-fluorophenyl)-1H-benzo[e][1,4]diazepin-2(3H)-one (3) nucleus with various alkyl halides and aromatic aldehydes respectively.

Synthesis and characterization of fully substituted pyrimidines by using ketene dithioacetal as potent antimicrobial agent

Khunt H. R., Pipaliya P. P., Ghelani S. M., Babariya J. S., Naliapara Y. T.

International Letters of Chemistry, Physics and Astronomy

2014

Vol. 5

134--141

Various ketene dithioacetals of acetoacetanilides were reacted with guanidine nitrate in the presence of base to produce the 2-amino-4-isopropyl-6-alkoxy-N-arylpyrimidine-5-carboxamide derivatives with good yields. All the synthesized compounds were characterized by mass, NMR and IR and also evaluated for antimicrobial activity against five different bacterial and fungal strains. The compounds 4i, 4k and 4l has found comparatively good active against all the bacterial strains.

One pot multi component synthetic approach towards the formation of 1,2,4-triazolo[1,5-a]pyrimidine analogues and their biological evaluation

Khunt H. R., Pipaliya P. P., Ghelani S. M., Babariya J. S., Naliapara Y. T.

International Letters of Chemistry, Physics and Astronomy

2014

Vol. 12

20--25

A library of functionalised 1,2,3-triazolo[1,5-a]pryrimidine derivatives has been synthesized by one pot multicomponenet reaction. All synthesized novel compounds were characterised by 1H NMR, IR, mass and elemental analysis. Compounds were also screened against bacterial and fungle strain.