18807-68-6Relevant academic research and scientific papers
BIFUNCTIONAL DERIVATIVES OF POLYETHYLENE GLYCOL, THEIR PREPARATION AND USE
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Page/Page column 8-9, (2010/02/15)
The patent describes homo- or hetero-bifunctional derivatives of polyethylene glycol (PEG) obtained by selectively modifying the hydroxyl end groups of commercial PEGs of different molecular weights with reactive bifunctional molecules. The synthesis proc
84. Selective Monoderivatization of Propane-1,3-diamine with Acid Chlorides: 'Hexahydropyrimidine Method' vs. Statistic Methods
Jentgens, Christian,Bienz, Stefan,Hesse, Manfred
, p. 1133 - 1143 (2007/10/03)
The selective N-monoderivatization of propane-1,3-dmmine (5) with carbonyl and sulfonyl chlorides via 2-phenylhexahydropyrimidine (6) was compared with the direct statistic monoderivatization. It was found that, under optimized conditions, both methods ar
SYNTHESIS OF N-(1-URACILYLALKYL)POLYMETHYLENEDIAMINES
Lulle, I. Zh.,Kagan, T. I.,Paegle, R. A.,Lidak, M. Yu.
, p. 1224 - 1227 (2007/10/02)
The alkylation of polymethylenediamines with 2-(1-uracilyl)ethyl bromide and 3-(1-uracilyl)propyl bromide yields the corresponding N-(1-uracilylalkyl)polymethylendiamines.
