123-84-2Relevant academic research and scientific papers
Synthesis of amphiphilic amino alcohols
Toom, Lauri,Villo, Piret,Liblikas, Ilme,Vares, Lauri
experimental part, p. 4295 - 4313 (2009/04/11)
An efficient and general approach for the synthesis of amphiphilic 1,2-amino alcohols is reported. The use of N-benzyl protecting groups is essential for obtaining good yields when opening a long-chain terminal epoxide with an amine. Copyright Taylor & Francis Group, LLC.
Intermolecular and intramolecular cyclization over modified ZSM-5 and chromite catalysts to synthesize 2-methyl pyrazine and piperazine
Kulkarni, S. J.,Subrahmanyam, M.,Rao, A. V. Rama
, p. 28 - 32 (2007/10/02)
The synthesis of methyl pyrazine and piperazine has been carried out over HZSM-5 and modified copper-chromite catalysts.The reaction occurs through the dehydrocyclization route at acidic centres.The Bronsted acidic centres at interstitial are particularly responsible for the conversion of propylene glycol, propylene oxide with ethylenediamine and β-hydroxy-propylethylenediamine to the N-containing heterocycles through intermolecular and intramolecular cyclization.In the formation of N-containing heterocycles, the steps involved are dehydration and cyclization.The important difference between these reactions and the methano-to-gasoline (MTG) process is the formation of olefinic compounds as intermediates in the latter.
KINETICS AND REACTION MECHANISM OF PROPYLENE OXIDE WITH ETHYLENEDIAMINE
Plucinski, Janusz,Prystasz, Henryka
, p. 2201 - 2208 (2007/10/02)
Reaction rate constants were determined for propylene oxide addition to ethylenediamine resulting in successive substitution of all hydrogen atoms in amino groups.
Process for preparing nitrogen-containing heterocyclic compounds
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, (2008/06/13)
Nitrogen-containing heterocyclic compounds are prepared by cyclization of a compound having the formula: EQU1 or EQU2 wherein X represents a hydrogen atom or --CH2 CHR-Y; R represents a hydrogen atom or methyl atom; Y represents an --OH group or --NH2 group; and n represents the integers 0 or 1 - 4; with a zeolite catalyst having the formula wherein M represents a cation selected from alkali metals, alkaline earth metals, zinc group elements, hydrogen and ammonium cations; n represents the valence of the cation; a is 1.0 ± 0.5 and m is 2 - 12.
