Phthalic acid derivatives which are substituted by 2-...

Details Phthalic acid derivatives which are substituted by 2-... Phthalic acid derivatives which are substituted by 2-...

C - Chemistry, Metallurgy

07

C

402/250, 400/400

C07C 65/28 (2006.01) C07C 65/40 (2006.01) C07D 209/48 (2006.01) C07D 307/89 (2006.01)

Patent

CA 1236465

Phthalic acid derivatives which are substituted by 2-propynyloxy groups, processes for their preparation and their use Abstract Novel phthalic acid derivatives which are substitu- ted by 2-propynyloxy groups, of the formula I Image (I) in which Q1, Q2, R1 and n are as defined in patent claim 1 (for example Q1 and Q2 together are -O- or -N(R2)-), are described. The phthalic anhydrides which are substituted by 2-propynyloxy, of the formula I, can be used for curing epoxy resins, cured products with outstanding physical pro- perties being obtained.

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