Water Mediated Direct Thioamidation of Aldehydes at Room Temperature
作者:Ankush Gupta、Jigarkumar K. Vankar、Jaydeepbhai P. Jadav、Guddeangadi N. Gururaja
DOI:10.1021/acs.joc.1c02307
日期:2022.3.4
A mild, greener approach toward thioamide synthesis has been developed. Its unique features include water-mediated reaction with no input energy, additives, or catalysts as well. The presented protocol is attractive with readily available starting materials and the use of different array amines, along with a scaled-up method. Biologically active molecules such as thionicotinamide and thioisonicotinamide
The Willgerodt-Kindler Reaction in Water: High Chemoselectivity of Benzaldehydes over Acetophenones
作者:Kioumars Aghapoor、Farshid Mohsenzadeh、Golriz Khanalizadeh、Hossein R. Darabi
DOI:10.1007/s00706-006-0560-7
日期:2007.1
Water has been found for the first time as a useful solvent in the Willgerodt-Kindler (WK) reaction for the synthesis of benzothiomorpholides in high yield at 80 degrees C for 3h. This novel approach confronts the WK protocol with a new situation in which water not only is not regarded as a serious disadvantage but also is applied in this case as a useful solvent in the reaction. The basis of this finding is the presence of a methylene chain in the carbonyl substrates, which leads to the high reaction selectivity of benzaldehydes over acetophenones.
Najer et al., Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1957, vol. 244, p. 2935
作者:Najer et al.
DOI:——
日期:——
Mixed bases mediated synthesis of thioamides in water
ABSTRACT A mixed bases mediated protocol is developed to synthesize thioamides from N-aryl or N-alkylamide, aldehyde and elemental sulfur in water. This reaction requires no addition of external oxidant and avoids large excess of amides. Various functional groups and pharmaceutically interesting heteroaromatic rings could be introduced via this efficient procedure. GRAPHICAL ABSTRACT
Influence of counterions on the formation of supramolecular platinum group metal complexes containing pyridyl thioamide derivatives: antioxidant and antimicrobial studies
作者:Lincoln Dkhar、Hrishikesh Gupta、Krishna Mohan Poluri、Paige M. Gannon、Werner Kaminsky、Mohan Rao Kollipara
DOI:10.1039/d2nj03108f
日期:——
A series of ruthenium, rhodium and iridium complexescontaining thioamide derivatives have been synthesized. In the presence of a counterion (NH4PF6) binuclear complexes were isolated, whereas in the absence of a counterion mononuclear complexes were obtained. The binuclear complexes exist as supramolecular structures by bridging the two metal centers through nitrogen and sulfur atoms of the two ligands