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Molbank, Volume 2007, Issue 3 (July 2007) – 12 articles

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Open AccessShort Note
Synthesis of 4-bromo-2-thiomorpholin-4-ylmethyl-1-phenol
Molbank 2007, 2007(3), M548; https://doi.org/10.3390/M548 - 23 Aug 2007
Viewed by 3275
Abstract
4-bromo-2-thiomorpholin-4-ylmethyl-1-phenol (2) was prepared from 4-bromophenol (1) and thiomorpholine and formaldehyde (2 eq.) and 1 eq. of thiomorpholine.[...] Full article
Open AccessShort Note
Synthesis of 4-methoxy-2-thiomorpholin-4-ylmethyl-1-phenol
Molbank 2007, 2007(3), M547; https://doi.org/10.3390/M547 - 23 Aug 2007
Cited by 2 | Viewed by 3102
Abstract
Infrared light activation as a non-conventional energy source has become an important method that can be used to carry out a wide range of reactions with short reaction times and high yields. Full article
Open AccessShort Note
One-pot Synthesis of 2-seleno-4-methylquinoline
Molbank 2007, 2007(3), M543; https://doi.org/10.3390/M543 - 02 Jun 2007
Cited by 2 | Viewed by 1822
Abstract
Number of workers has reported the synthesis of condensed fused quinoline derivatives containing selenium atom and studied for their DNA binding, cytotoxic, anticancer and antitumour activities [1,2,3].[...] Full article
Open AccessShort Note
2-[(2-Hydroxy-benzylidene)-amino]-5,6-dihydro-4H-cyclopenta [b] Thiophene-3-carboxylic Acid Methyl Ester
Molbank 2007, 2007(3), M554; https://doi.org/10.3390/M554 - 30 May 2007
Viewed by 2649
Abstract
Schiff bases from 2-hydroxy-1-naphthaldehyde have often been used as chelating ligands in the field coordination chemistry [1].[...] Full article
Open AccessShort Note
Copper Dipyridine Dichloride: An Efficient and Convenient Catalyst for the Synthesis of Bis (Indolyl) Methanes
Molbank 2007, 2007(3), M553; https://doi.org/10.3390/M553 - 30 May 2007
Viewed by 2112
Abstract
Copper dipyridine dichloride is used as an efficient catalyst for the electrophilic substitution reaction of indoles with aromatic aldehydes in acetonitrile to afford the corresponding bis (indolyl)methanes in excellent yields at room temperature. Full article
Open AccessShort Note
3-(2-Oxopropyl)-2(3H)-benzoxazolone
Molbank 2007, 2007(3), M552; https://doi.org/10.3390/M552 - 30 May 2007
Viewed by 2244
Abstract
The title compound is an important intermediate for the preparation of 3,4- and 3,4,5-substituted 1-(2-hydroxy-phenyl)imidazolin-2-ones [1,2] and 6-methyl-4-(2-hydroxyphenyl)-1,2,4-triazin-3-ones [3].[...] Full article
Open AccessShort Note
Synthesis of Mono- and Dibromo-Derivatives of 1-Phenylpyrazol-3-ol
Molbank 2007, 2007(3), M551; https://doi.org/10.3390/M551 - 30 May 2007
Cited by 3 | Viewed by 2295
Abstract
Dependent on the reaction conditions, 1-phenylpyrazol-3-ol and bromine give either 4-bromo-1-phenylpyrazol-3-ol (2a) or 4-bromo-1-(4-bromophenyl)pyrazol-3-ol (2b). Treatment of 2a or 2b with refluxing acetic anhydride leads to the corresponding O-acetyl derivatives 3a and 3b, respectively. Detailed spectroscopic data (1H NMR, 13C [...] Read more.
Dependent on the reaction conditions, 1-phenylpyrazol-3-ol and bromine give either 4-bromo-1-phenylpyrazol-3-ol (2a) or 4-bromo-1-(4-bromophenyl)pyrazol-3-ol (2b). Treatment of 2a or 2b with refluxing acetic anhydride leads to the corresponding O-acetyl derivatives 3a and 3b, respectively. Detailed spectroscopic data (1H NMR, 13C NMR, 15N NMR, MS, IR) for 2b, 3a and 3b are presented. Full article
Open AccessShort Note
Synthesis of 1,2,5,7-dithiadiazonan-6-ylidenecyanamide. A New Potential Cysteamine Derivate Radioprotector Compound
Molbank 2007, 2007(3), M550; https://doi.org/10.3390/M550 - 30 May 2007
Viewed by 2884
Abstract
Radioprotectors have been described as a chemical compounds that protect certain normal tissues as opposed to tumors.[...] Full article
Open AccessShort Note
Synthesis of 4-isopropyl-bis-2,6-morpholin-4-ylmethyl-1-phenol
Molbank 2007, 2007(3), M549; https://doi.org/10.3390/M549 - 30 May 2007
Viewed by 2473
Abstract
4-isopropyl-bis-2,6-morpholin-4-ylmethyl-1-phenol (2) was prepared from 4-isopropylphenol (1) and formaldehyde (2 eq.) and 2 eq. of morpholine.[...] Full article
Open AccessShort Note
3-tert-butoxycarbonylamino-pyridine-2-carboxylic Acid Methyl Ester
Molbank 2007, 2007(3), M545; https://doi.org/10.3390/M545 - 30 May 2007
Viewed by 2580
Abstract
The discussion and purpose for the synthesis of the 2, 3-pyridinecarboxylicacid-2-methylester 1 has been reported elsewhere [1].[...] Full article
Open AccessShort Note
Stereoselective Synthesis of a New cis Monocyclic β-lactam Bearing a Sugar Moiety at Its N1 Position and Its Physical Characterization
Molbank 2007, 2007(3), M544; https://doi.org/10.3390/M544 - 30 May 2007
Cited by 1 | Viewed by 2723
Abstract
Synthesis of a new monocyclic β-lactam containing a sugar moiety at its N1 position via [2+2] cycloaddition reaction of ketene and imine is described. Reaction of achiral phenoxy ketene with chiral aldimine derived from chiral 2, 3, 4, 6-tetra-O-acetyl-β-D-galactopyranosylamine and 2-hydroxy-3-methoxy benzaldehyde resulted [...] Read more.
Synthesis of a new monocyclic β-lactam containing a sugar moiety at its N1 position via [2+2] cycloaddition reaction of ketene and imine is described. Reaction of achiral phenoxy ketene with chiral aldimine derived from chiral 2, 3, 4, 6-tetra-O-acetyl-β-D-galactopyranosylamine and 2-hydroxy-3-methoxy benzaldehyde resulted in the formation of 2 as a single diastereomer. Then its physical characterization has been determined at the AM1 level of theory. Full article
Open AccessShort Note
3-tert-butoxycarbonylamino-pyridine-2-carboxylic Acid
Molbank 2007, 2007(3), M546; https://doi.org/10.3390/M546 - 30 Mar 2007
Viewed by 2392
Abstract
To the carbamic acid tert-butylester 1 (1.03 g, 4.08 mmol) in methanol (15 ml) was added 1.4 equivalents of NaOH (2N).[...] Full article
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