Balapragalathan Thappali Jothikrishnan, Sriram Narasimhan and Suban Syed Shafi
Short Note: 2-{5-(1,3-Benzodioxol-5-yl)-1-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]-4,5-dihydro-1H-pyrazol-3-yl}pyrazine
Molbank 2010, 2010(1), M668; doi:10.3390/M668 - published online 19 March 2010
Show/Hide AbstractAbstract: A simple method for the synthesis of a pyrazolyl thiazole derivative containing a piperonal moiety was developed. Thus, 2-{5-(1,3-benzodioxol-5-yl)-1-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]-4,5-dihydro-1H-pyrazol-3-yl}pyrazine was synthesized using microwave irradiation and characterized by NMR, IR and LCMS data.

Abdullah Mohamed Asiri and Salman A. Khan
Short Note: 5,5'-(1,4-Phenylenedimethylylidene)bis(1,3-diethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione)
Molbank 2010, 2010(1), M667; doi:10.3390/M667 - published online 17 March 2010
Show/Hide AbstractAbstract: A novel compound, 5,5'-(1,4-phenylenedimethylylidene)bis(1,3-diethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione) (3) has been synthesized by condensation of 1,3-diethyl-2-thiobarbituric acid and terephthalaldehyde in anhydrous ethanol in the presence of pyridine. The structure of this compound was established by elemental analysis, IR, ¹H-NMR, ¹³C-NMR and EI-MS spectral analysis.

Abdullah Mohamed Asiri and Salman A. Khan
Short Note: 5-[(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methylene]-1,3-diethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione
Molbank 2010, 2010(1), M666; doi:10.3390/M666 - published online 17 March 2010
Show/Hide AbstractAbstract: The title compound, 5-[(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)methylene]-1,3-diethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione, has been synthesized by condensation of 1,3-diethyl-2-thiobarbituric acid and 3,5-dimethyl-1-phenylpyrazole-4-carbaldehyde in ethanol in the presence of pyridine. The structure of this new compound was confirmed by elemental analysis, IR, ¹H-NMR, ¹³C-NMR and EI-MS spectral analysis.

Abdullah Mohamed Asiri and Salman A. Khan
Short Note: 1-{[(3,4-Dimethylisoxazol-5-yl)imino]methyl}-2-naphthol
Molbank 2010, 2010(1), M665; doi:10.3390/M665 - published online 16 March 2010
Show/Hide AbstractAbstract: The title compound, 1-{[(3,4-dimethylisoxazol-5-yl)imino]methyl}-2-naphthol has been synthesized by condensation of 5-amino-3,4-dimethylisoxazole and 2-hydroxy-1-naphthaledhyde in ethanol. The structure of this new compound was confirmed by elemental analysis, IR, ¹H-NMR, ¹³C-NMR and EI-MS spectral analysis.

Braulio Insuasty, Angelica Garcia, Rodrigo Abonia, Manuel Nogueras and Justo Cobo
Short Note: 1,3,5-Tris-(2,3-dihydro-1H-1,5-benzodiazepin-4-yl)-1,2,3,4,5,6-hexahydro-s-triazine
Molbank 2010, 2010(1), M664; doi:10.3390/M664 - published online 16 March 2010
Show/Hide AbstractAbstract: A new compound, 1,3,5-tris-(2,3-dihydro-1H-1,5-benzodiazepin-4-yl)-1,2,3,4,5,6-hexahydro-s-triazine was obtained by the reaction of ortho-phenylenediamine 1 with 1,3,5-triacryl-1,2,3,4,5,6-hexahydro-1,3,5-triazine 2. Spectroscopic (IR, ¹H-NMR, ¹³C-NMR and MS) data are supplied to support the proposed structure for the title compound.

Andreas Späth, Eva-Maria Rummel and Burkhard König
Short Note: Luminescent Lariat Aza-Crown Ether Carboxylic Acid
Molbank 2010, 2010(1), M663; doi:10.3390/M663 - published online 12 March 2010
Show/Hide AbstractAbstract: Lariat ethers are interesting recognition motifs in supramolecular chemistry. The synthesis of a luminescent lariat aza-crown ether with a carboxyl group appended by azide-alkyne (Huisgen) cycloaddition is presented.