Process for the preparation of carboxyarenesulfonic acids and th

Details Process for the preparation of carboxyarenesulfonic acids and th Process for the preparation of carboxyarenesulfonic acids and th

1995-04-03

1996-08-27

Ramsuer, Robert W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

558250, 558353, 560 14, 562 47, 562 56, C07C30958, C07D295192

Patent

active

055502377

ABSTRACT:
Compounds (I) in which Ar is (substituted) arylene and Nuc is the radical of a nucleophile Nuc-H and which are valuable intermediates for pharmaceuticals, crop protection products and colorants

REFERENCES:
patent: 4145349 (1979-03-01), Bebbington
patent: 4383113 (1983-05-01), Levitt
Nagira, K. et al., "Reaction of Diazonium Salts with Transition Metals. 4. Palladium(0)-Catalyzed Carboxylation of Arenediazonium Salts" J. Org. Chem. Jun. 1980, 45, 2365-2368.
Olah, G. et al., "Copper (II) Chloride Catalyzed Carboxydediazoniation of Arenediazonium Tetrafluoroborates With Carbon Monoxide in Aqueous Dioxane Solution to Arenecarboxylic Acids", Synlett Letters, (Received 4 Jul. 1990) p. 596.
Schoenberg, A. et al., "Palladium-Catalyzed Carboalkoxylation of Aryl, Benzyl, and Vinylic Halides" J. Org. Chem. vol. 39, No. 23, pp. 3318-3326; @1974.

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