Guebailia Azzou

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Questions related from Guebailia Azzou

Is there any method to reveal PEG-based-copolymer on TLC, the monomer is UV-active but after polymerization only its own spot is viewed under UVlight?

Is it possible that the monomer and its PEG based copolymer have same migration profile and how it is possible to monitor the polymerization with TLC to know either there is a reaction or not...

27 October 2019 5,263 1 View

Is there any method to purify this macroinitiator MeO-PEG-Br ?

i am doing the synthesis of a Macroinitiator MeO-PEG-Br, after the end of the reaction in DCM, MeO-PEG-Br was precipitated in cold ether then filtred, after dissolution in ethanol i left it...

29 March 2019 5,901 0 View

How can i purify an N-substituted pyridone with the fonction -COOH from a basic environment? and what kind of base should i use ?

i want to get an N-substituted pyridone with the fonction -COOH, so i tried the reaction between Pyridone and Hexanoic acid in tetrahydrofuran with K2CO3 to deprotonate the pyridone. If the...

22 January 2019 4,041 5 View

How to synthesize N-substituted pyridone from pyridone and dibromopropan ?

i tried to change the temperature and the reactif's quantity, and even i tried to use two kind of base K2CO3 and then Triethylamine but i always have a low yield, in the better case i had 25%.

03 January 2019 5,862 3 View