Urea or carbamate derivatives of crown ethers and silicon...

Details Urea or carbamate derivatives of crown ethers and silicon... Urea or carbamate derivatives of crown ethers and silicon...

C - Chemistry, Metallurgy

07

F

C07F 7/18 (2006.01) C07D 323/00 (2006.01) C07F 7/12 (2006.01)

Patent

CA 2473789

The invention relates to urea or carbamate derivatives of crown ethers and silicon of formula (I). Said derivatives can be grafted onto a silica gel to produce supports for chromatographic separation of cations or molecules with an amino function such as amino acids.

L'invention concerne des dérivés uréido ou carbamates d'éthers-couronnes et de silicium de formule : (formule) Ces dérivés peuvent être greffés sur du gel de silice en vue d'obtenir des supports pour la séparation chromatographique de cations ou de molécules comportant des fonctions amines comme les amino-acides.

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