Aromatic compounds having sulfonyl groups and processes for...

Details Aromatic compounds having sulfonyl groups and processes for... Aromatic compounds having sulfonyl groups and processes for...

C - Chemistry, Metallurgy

07

C

402/216, 260/306

C07C 317/22 (2006.01) C07D 209/48 (2006.01) C07D 307/89 (2006.01)

Patent

CA 1282416

An aromatic compound having sulfonyl groups, as an intermediate or raw material of polyimides having a good and well-balanced heat resistance and moldability is effectively produced by reacting a compound represented by the general formula, R - Ar - R wherein Ar is Image , Image , Image or Image , Y is a bond, oxygen atom, sulfur atom, SO2, CH2 or Image and R is a hydrogen atom or -SO2X and X is a halogen atom or alkali metal, with a compound represented by the following general formula, Image wherein X1 and X are simultaneously methyl groups or form Image or Image and Z is a hydrogen atom, alkyl group having 1 to 6 carbon atoms or aryl group having 6 to 8 carbon atoms and R1 is a hydrogen atom, -SO2X, halogen atom or nitro group, X is a halogen atom or alkali metal and R and R1 are not same simultaneously, either of which contains -SO2X group as a necessary group.

525432

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