Bis-tetraazacyclotetradecanes (bis-cyclam) are readily prepared with fairly good yields in a one step procedure from non-protected cyclam. The synthesis involves a selective addition of cyclam on bis-acrylamides in chloroform in the presence of one equivalent of p-toluenesulfonic acid.
ACRYLAMIDE-BASED CROSSLINKING MONOMERS, THEIR PREPARATION, AND USES THEREOF
A process for preparing an acrylamide-based crosslinking monomer comprising reacting in the presence of a catalyst an isocyanate compound containing at least two isocyanate groups with one of acrylic acid or methacrylic acid. These acrylamide-based crossl
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Page/Page column 9
(2014/05/07)
One step process for preparing cross-linked poly-β-alanine microspheres from acrylamide and a copolymerisable polyfunctional compound
A one-step process for preparing cross-linked poly-β-alanine as microspheres having narrow size distribution comprises polymerizing acrylamide with a polyfunctional compound copolymerizable with acrylamide (with the polyfunctional compound also acting as the cross-linking agent) in an organic solvent or a mixtured such solvents in the presence of an ionic polymerization initiator and a suspension agent. The resulting microspheres may be impregnated with a pharmaceutically or cosmetically active substance.
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(2008/06/13)
AN IMPROVED GENERAL PROCEDURE FOR THE SYNTHESIS OF N,N'-BISACRYLYLDIAMINOALKANES
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Helpern, Joseph A.,Sparrow, James T.
p. 569 - 572
(2007/10/02)
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