| abstract |
A subject of the present invention is the use of a compound having the general formula (I): (I) wherein V, W, X 4 , X 5 , X 6 , X 7 , X' 4 , X' 5 , X' 6 , X' 7 , Y, Y', R 3 , R' 3 , R 4 and R' 4 are as defined in any one of claims 1 to 11, for the detection, capture and/or separation of polluting gases, in particular those selected from the group comprising carbon dioxide, methane, sulfur dioxide, nitrogen oxides, carbon monoxide, linear hydrocarbons, linear mono-olefins and their mixtures, and preferably carbon dioxide. Another subject of the invention is a compound of formula (I) wherein V, W, X 4 , X 5 , X 6 , X 7 , X' 4 , X' 5 , X' 6 , X' 7 , Y, Y', R 3 , R' 3 , R 4 and R' 4 are as defined in any one of claims 12 to 21. |