Substituted cyclic and heterocyclic methane sulfonates

Details Substituted cyclic and heterocyclic methane sulfonates Substituted cyclic and heterocyclic methane sulfonates

C - Chemistry, Metallurgy

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31/13, 260/323,

C07D 207/08 (2006.01) C07D 307/10 (2006.01) C07D 307/12 (2006.01) C07D 333/06 (2006.01) C07F 9/6568 (2006.01) C09K 8/06 (2006.01) C09K 8/584 (2006.01) C09K 8/86 (2006.01) C10G 1/04 (2006.01)

Patent

CA 1191146

Abstract: Novel substituted cyclic and heterocyclic methane sulfonates are described which may be employed in chemical waterflooding and as sacrificial agents in enhanced oil recovery. They typically have the formula Image The hetero-substituents X may be O, S, R2N, Image , Image and Image and R1, R2, R3 and R4 are the same or different substituted or unsubstituted, and are hydrogen, alkyl or aryl. Optionally the hetero-substituent may be replaced by Image . The compounds may be prepared by reacting X(CH2CH=CHR)2, where X is the above mentioned hetero- substituents or Image , with a bisulfite salt.

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