Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Majid Koohshari"'
Publikováno v:
ARKIVOC, Vol 2014, Iss 4, Pp 204-214 (2014)
Externí odkaz:
https://doaj.org/article/922d1aa570334f8b804a8fba24de321f
Publikováno v:
ARKIVOC, Vol 2014, Iss 4, Pp 204-214 (2014)
The synthesis of some tetrahydropyrazolopyridine derivatives has been described by a one-pot 2A + 2B + C + D four component reaction of a 1,3-dicarbonyl compound, an aldehyde, hydrazine and ammonium acetate in ethanol as a green media under catalyst-
Publikováno v:
Helvetica Chimica Acta. 97:375-383
A simple and efficient one-pot four-component procedure has been developed for the synthesis of a wide range of compounds containing the (triazolyl)methyl oxo-pyrimidine-carboxylate system from propargyl b-keto esters, various azides, aldehydes, and
Publikováno v:
Synthetic Communications. 42:2415-2422
A novel, one-pot, three-component reaction for the synthesis of novel 1,2,3-triazol-4-yl-methylthio-3-arylquinazolin-4(3H)-one derivatives using the Huisgen 1,3-dipolar cycloaddition reaction of organic azides and in situ–prepared terminal alkynes
Publikováno v:
ChemInform. 45
The synthesis of pyrano[2,3-c]pyrazole derivatives has been described by regio- and chemoselective four-component reaction of a dialkyl 3-oxopentanedioate, an active carbonyl compound, hydrazine and malononitrile in water/ethanol as a green medium un
Publikováno v:
ChemInform. 45
A simple and efficient one-pot four-component procedure for the synthesis of a variety of the title pyrimidine carboxylates (V) (14 examples) is developed.
Publikováno v:
ChemInform. 43
A novel Cu-catalyzed three component reaction of thioxoquinazolinones (I) with propargyl bromide (II) and azides (III) is applied to the synthesis of title compounds (IV).
Publikováno v:
ChemInform. 43
The synthesis of the biologically important heterocyclic scaffolds is accomplished via sequential 1,3-dipolar cycloaddition of azides with propargylated benzaldehydes and Biginelli condensation of the resulting intermediate with urea and 1,3-dicarbon
Publikováno v:
Molecular diversity. 15(4)
The combination of the Biginelli reaction with click chemistry has been used for the one-pot synthesis of 1,2,3-triazole linked dihydropyrimidinones from azides, aromatic aldehydes containing a propargyl ether group, urea, and 1,3-dicarbonyl compound
Publikováno v:
ChemInform. 36
KAl(SO 4 ) 2 .12H 2 O is found to catalyze efficiently the stereoselective cyclocondensation of homophthlic anhydride with imines under mild conditions to afford the corresponding cis-isoquinolonic acids in good yields.