Substituted 1,2-naphthoquinone-2-diazide-4-sulfonic acids...

Details Substituted 1,2-naphthoquinone-2-diazide-4-sulfonic acids... Substituted 1,2-naphthoquinone-2-diazide-4-sulfonic acids...

C - Chemistry, Metallurgy

07

C

96/158, 260/396.

C07C 309/53 (2006.01) C07C 309/26 (2006.01) C07D 303/36 (2006.01) G03C 1/54 (2006.01) G03F 7/022 (2006.01)

Patent

CA 2023067

Abstract of the Disclosure Substituted 1,2-naphthoquinone-2-diazide-4- sulfonic acids are disclosed having the general formula A Image A in which R is an alkyl, epoxyalkyl, alkylcarbonyl or alkylsulfonyl group, the carbon chains of which may be interrupted by oxygen atoms, or a substituted or unsubstituted aralkyl, arylcarbonyl or arylsulfonyl group and X is hydrogen, a metal or an ammonium group. A process for the preparation of the compounds is also disclosed. The compounds can be used as such, or preferably after condensation of their sulfonic acid chlorides with aromatic hydroxy compounds or amines to give the corresponding esters or amides, as light-sensitive compounds in radiation-sensitive mixtures or materials.

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