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Summary:
An easy, green, efficient and simple for synthesis of derivatives of benzimidazole-, benzothiazole- and benzoxazole-2-thiol has been described. Although previous methods are available in literature for synthesis of such compounds, this method...
Summary:
This paper reports an interesting property of the O, N and S donor ligand 2-(2’-Hydroxy-3’-methoxyphenyl)benzothiazole which makes it switch chelating donor sites from O, S (at pH < 5.0) to O, N (above pH 5.0) while reacting with Cu(II) acetate...
This paper does a thorough analysis of structure and property relationships. The analyiss is thorougouh and well backed up by data. I found the secion on deswollen materials particularly helpful and interesting.
Well written paper. The technique of using a removabile filler to direct pore size in a membrane is an innovative method and should be studied more.
The data in this paper is veryw ell laid out. The data is easily reproducable and the work is easy to follow.
Covalent attachment of small organometallic molecules to COOH-MWCNTs was successfully achieved using the described methods of EDC/NHS coupling. A qualitative yield was achieved which allowed for a unique route to create redox active MWCNTs. After exploration...
Summary:
An efficient method for the synthesis of diazoacetates from the coresponding bromoacetates and N,N'-ditosylhydrazine has been described. In fact, diazoacetates can be prepared from various alcohols by acylation with bromoacetyl bromide, followed by...
The manuscript entitled “Regioselective Synthesis of Substituted Rubrenes” is nicely written and excellent piece of work. Manuscript describes a method to generate Rubrene derivatives using a Diels Alder reaction and Phenyl lithium addition as key steps....
PNU-95666E (sumanirole) was reported to be a highly selective D2 receptor full agonist. It was originally developed for the treatment of Parkinson’s disease. An eight steps synthesis was developed for the scale up of enantiomerically pure (R)-sumanirole with...
Summary:
Synthesis of various silacycles has been reported.
The Reaction of Interest:
Synthesis of t-BuSiHCl2 (18.5%, 50 mmol) via reaction of HSiCl3 (2 equiv) with t-BuLi.
Practical Observations:
1. Synthesized compound 1 and another similar compound using the procedure described in this article.
2. Used 0.2 mmol Iridium instead of 0.1 mmol as reported. The reaction was monitored by TLC and after 48 hrs, all starting materials was consumed. The...
This communication was outstanding in providing a vast improvement to a very dangerous and potentially synthetically challenging method in obtaining 3,3-difluorocyclobutane carboxylic acid. Ultimately the synthesis provided greater yields, easier workups,...
Summary:
A new series of bile acid-based trioxanes have been synthesized and assessed for their antimalarial activity against multidrug-resistant Plasmodium yoelii in Swiss mice by oral route.
The Reaction of Interest:
Decarboxylative oxidation of...
Summary:
This paper reports a CTAB-catalyzed method developed for the synthesis of 2-substituted benzothiazoles by the condensation of 2-aminothiophenol with aldehydes (RCHO: R = Alkyl, Aryl, Heteroaryl, 2-Arylformyl). Use of cetyltrimethyl ammonium...
Summary:
This paper describes the density functional theoretical study on oxorhenium(V) complexes incorporating quinoline or isoquinoline carboxylic acids. The study is aimed at understanding causes for the difference in stabilities of particular isomers...
Summary:
This paper reports the synthesis of a Schiff base ligand (L) by reaction of 5,5’-methylene-bis-salicylaldehyde with amidol (2,4-diaminophenol). The applicability of this ligand as a new fluorescent Cu(II) sensor in aqueous medium was assessed. A...
The article presents a synthetic methodology to prepare chiral N,N-disubstituted, 1,2-diamines, which can be convenient precursors to tridentate ligands.
Particularly, I used the synthetic route using cyclohexane-1,2-diamine (both racemic and enatiopure)...
Synthesized mesitylcopper by following the procedure.
(1) High quality anhydrous solvents (THF/dioxane/Toluene) and good argon or nitrogen protection for all the operations are key to get high yield and quality product, since the mesitylcoppor solution is...
Description of Study
Szostak and coworkers reported highly chemoselective reduction of amides ( primary, secondary, Tertiary) to alcohols using SmI2 /Amine /H2O under mild conditions. They reduced amide to alcohol by stirring amide (0.1mmol) with...
Spirobifluorene: Synthesized spirobifluorene following the reported procedure (page 324-325) using 2-iodobiphenyl as starting material. It was difficult to isolate nmr-clean product and the yield was low, although they reported very high yield. Instead of...