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View article: Illustrating Transition Scenarios to Renewable Energy in Hawaii with ProjecTable
Illustrating Transition Scenarios to Renewable Energy in Hawaii with ProjecTable Open
Creating engaging and immersive data visualization tools has become increasingly significant for a wide range of users who want to display their data in a meaningful way. However, this can be limiting for individuals with varying levels of…
View article: PENGALEH PUKOL Komposisi Karawitan Kesenian Kompang Di Desa Concong Luar Kabupaten Indragiri Hilir
PENGALEH PUKOL Komposisi Karawitan Kesenian Kompang Di Desa Concong Luar Kabupaten Indragiri Hilir Open
Kompang art in Concong Luar Village, Concong Subdistrict, Indragiri Hilir Regency, in the kompang pattern game on the long pukol song, the kompang pattern is played with manners and the musical structure of the work is still underdeveloped…
View article: Michael 1:1 adducts by acid catalyzed reaction during synthesis of spiro and spiroketal compounds
Michael 1:1 adducts by acid catalyzed reaction during synthesis of spiro and spiroketal compounds Open
Four Michael 1:1 adducts 2-[1,5-bis-(2-methoxyphenyl)-3-oxo-pent-4-enyl]-cyclohexane-1,3- dione 3a, 2-[1,5-bis-(2-methylphenyl)-3-oxo-pent-4-enyl]-cyclohexane-1,3-dione 3b, 2-[1,5-bis- (2-chlorophenyl)-3-oxo-pent-4-enyl]-cyclohexane-1, 3-d…
View article: Synthesis of 1-phenyl-3, 4-dihydropyrimidine-2(1H)-ones derivatives under solvent free condition and their antimicrobial activity
Synthesis of 1-phenyl-3, 4-dihydropyrimidine-2(1H)-ones derivatives under solvent free condition and their antimicrobial activity Open
We report herein the use of nickel nitrate hexahydrate [Ni(NO3)2.6H2O] as a new catalyst for the one-pot Biginelli like reaction coupling of 1-phenyl thiourea, ethyl acetoacetate and aromatic aldehydes to afford the corresponding 1-phenyl-…
View article: Synthesis of potential pharmaceutically active dihydropyrimidine-2-oxo and their 2-thio analogues
Synthesis of potential pharmaceutically active dihydropyrimidine-2-oxo and their 2-thio analogues Open
The Biginelli one - pot three-component cyclocondensation was applied to prepare 3, 4 - dihydropyrimidin - 2 (1H) – ones from aldehydes, β-dicarbonyl compounds and urea (or thiourea) using ZnCl2 as a catalyst. The method offers several adv…
View article: One pot synthesis of 2- amino-5-oxo-4-aryl-5, 6, 7, 8-tetrahydro- 4Hchromenes- 3-carboxilic acid ethyl esters
One pot synthesis of 2- amino-5-oxo-4-aryl-5, 6, 7, 8-tetrahydro- 4Hchromenes- 3-carboxilic acid ethyl esters Open
Ethyl esters of 2-cyano-3-arylacrylic acid 1a-b ( a = 3- Br- C6H4, b= 4- OH- C6H4 ) reacted with 5, 5-dimethyl-1, 3-cyclohexane (2b, R = CH3) and 1c-d (c= 3- OH- C6H4, d= 3- NO2- C6H4 ) reacted with 1, 3-cyclohexanedione (2a, R = H) and 5,…
View article: One step cyclocondensation of (thio) barbituric acid with chalcones in glacial acetic acid and phosphorous pentoxide, Part-II
One step cyclocondensation of (thio) barbituric acid with chalcones in glacial acetic acid and phosphorous pentoxide, Part-II Open
A number of new 5, 7-diaryl-1,5-dihydro (or 1, 2, 3, 5-tetrahydro)- pyrano [2, 3-d] pyrimidin-2, 4-diones (or 2-thioxo-4-ones) (3a-g) have been synthesized in one-step by cyclocondensation of barbituric acid or thiobarbituric acid (1) with…