One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 293298-33-6, Name is 3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanehydrazide hydrochloride, formurla is C7H10ClN3O3. In a document, author is Rodriguez-Soria, Veronica, introducing its new discovery. HPLC of Formula: C7H10ClN3O3.
A novel stereoselective tin-free radical protocol for the enantioselective synthesis of pyrrolidinones and its application to the synthesis of biologically active GABA-derivatives
Optically pure 4-alkyl-pyrrolin-2-ones were synthesized from chiral N-allyl-alpha-bromoacetamides in high selective and stereo-controlled fashion, via a sequential 5-exo-trig radical cyclization-hydrogen or bromine atom-transfer process, under non-tin conditions. Interestingly, when N-allyl-alpha-bromoacetamides were treated with triethylborane/MeOH(excess)/BF3 center dot OEt2 in toluene at -78 degrees C, a tandem 5-exo-trig radical cyclization-hydrogen atom-transfer reaction operated, on the other hand, a tandem 5-evo-trig radical cyclization-bromine atom-transfer reaction proceeded in good yield and high stereoselectivity when the reaction was carried out with equimolar amounts of MeOH in THF at -78 degrees C. Thus, optically pure 4-alkyl-pyrrolin-2-ones were synthesized via this tin-free radical pathway and transformed to their corresponding biologically active GABA-derivatives, Pregabalin and CAMP. (C) 2008 Published by Elsevier Ltd.
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Reference:
Pyrroline – Wikipedia,
,1-Pyrroline | C4H7N – PubChem