Indenonecarboxylic acids and esters thereof and processes...

Details Indenonecarboxylic acids and esters thereof and processes... Indenonecarboxylic acids and esters thereof and processes...

C - Chemistry, Metallurgy

07

C

260/369.1, 260/5

C07C 62/38 (2006.01) C07C 51/083 (2006.01) C07C 51/09 (2006.01) C07C 69/757 (2006.01) C07D 303/44 (2006.01)

Patent

CA 1153769

Abstract The invention relates to a process for the pre- paration of halogenoindenonecarboxylic acids of the formula Image in which R3 is preferably chlorine and R, R1 and R2 are, for example, H or -CH3. If these acids are novel, the corresponding substances are claimed. The invention also relates to corresponding esters of these acids, which contain reactive end groups, The compounds are suit- able for the preparation of light-sensitive polymers.

344520

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