Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Sima Samadi"'
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 24, Iss 3, Pp 67-71 (2005)
Alkali and alkaline earth metals hydrogen sulfate catalyzed the one-pot three component condensation reactions of aldehydes, 1,3-dicarbonyl compounds and urea or thiourea under solvent-free conditions leading to 3,4-dihydropyrimidin-2(1H)-ones in hig
Externí odkaz:
https://doaj.org/article/82df674c8a67438dad047f2cf6e78c22
Publikováno v:
Geotechnical and Geological Engineering. 38:6571-6586
Water seepage affects dam stability and loss of water from reservoirs. Consequently, seepage is an important problem in the design, implementation, and operation of embankment dams. One type of embankment dam is a non-homogeneous (zoned) dam with a c
Publikováno v:
Synthetic Communications. 37:491-499
Environmentally friendly three‐component condensation reactions of an activated C‐H acid, an aldehyde, and alkyl nitriles to afford the corresponding pyran annulated heterocyclic systems in water in good yields, avoiding the addition of any catal
Publikováno v:
Catalysis Letters. 104:39-43
1,1,3,3-N,N,N′,N′-Tetramethylguanidinium trifluoroacetate as an ionic liquid, efficiently promotes one-pot, three-component condensation of aldehydes, alkyl nitriles and α-hydroxy or α-amino activated C–H acid to afford the corresponding pyra
Publikováno v:
Synthetic Communications. 35:535-541
Rapid and efficient one‐pot three‐component condensation synthesis of furopyrimidines, furocoumarins, and furopyranones are described which occur in the presence of montmorillonite K10 using microwave irradiation under solvent‐free conditions.
Publikováno v:
ChemInform. 38
Publikováno v:
ChemInform. 36
Publikováno v:
ChemInform. 35
Environmentally friendly three‐component condensation reactions of an activated C‐H acid, an aldehyde, and alkyl nitriles to afford the corresponding pyran annulated heterocyclic systems in water in good yields, avoiding the addition of any catal