Using X-ray diffraction, FT-IR, 1H, 13C NMR, and UV–Vis spectra as well as theoretical DFT
calculations, Ethyl-2-methyl-4-phenyl-3, 4-dihydro-2H-benzo [4, 5] thiazolo-[3, 2-a] …

Chalcones were synthesized by a base catalyzed Claisen-Schmidt condensation reaction.
Bromination of chalcones afforded the dibromo derivatives. Monobromo derivatives could be …

The paper presents the synthesis of 1, 2, 3, 7-tetraaryl-1, 2, 3, 4-tetrahydropyrimido [4, 5-d]
pyrimidines. The structures of the obtained compounds were confirmed by crystallographic …

A multicomponent reaction between ethyl 3-aminocrotonate, amonium isothiocyanates and
2, 2-dichloroacetyl chloride gives diethyl 6, 6-disulfanediylbis (2-(dichloromethyl)-4 …

Abstract The [5+ 1] annulation of enamidines, which were prepared from functionalized
silanes, organolithium compounds and two nitriles, with N, N‐dimethylformamide dialkyl …

This work presents three operationally simple laboratory protocols for monocrystal growth of
small-molecule organic compounds, which have been applied with success in the last ten …

In this study, a series of syntheses was conducted on the pyrimidine system, obtaining
bisulfite carboxyl derivatives 4 and hydroxy derivatives 5. In addition, a series of syntheses …

This study describes the combination of microwave heating and green acid catalysis by Bi
(NO3) 3· 5H2O and AcOH as a practical one-pot diastereoselective synthetic route to …

This article presents the synthesis of three new 4-thiopyrimidine derivatives obtained from
ethyl 4-methyl-2-phenyl-6-sulfanylpyrimidine-5-carboxylate as the starting material, namely …

This work describes the direct synthesis of 3-bromotetronamides in good yields through the
reaction of 3, 4-dibromofuran-2 (5H)-one, obtained from furfural, with primary and secondary …