1881 Jrnl. Chem. Soc. 40 266 Ammonium resocarboxylate forms concentric needles, very soluble in water.]

1884 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. ii. 627 Potassium Carboxylates. The normal salt, C₁₀H₄O₁₀, is red in colour and is obtained by the oxidation of the black potassium dihydrocarboxylate.

1913 Jrnl. Soc. Dyers & Colourists 29 172/1 (heading) The application of β-naphthol carboxylates in dyeing and printing.

1977 J. March Adv. Org. Chem. (ed. 2) x. 368 Alkyl chlorosulfites..can be treated with carboxylate ions to give the corresponding esters.

1983 R. O. C. Norman & D. J. Waddington Mod. Org. Chem. (ed. 4) iv. 64 The carboxylate ion, RCO₂⁻, in which the charge is delocalised, is relatively more stable.

2003 Science 29 Aug. 1154/2 Water-soluble organic compounds in which charged groups (typically carboxylates) line a hydrophobic pocket.

1933 Jrnl. Amer. Chem. Soc. 55 3796 In a recent study of the equilibrium C₆H₅CO₂H ⇄ C₆H₆ + CO₂ it was found that benzene was carboxylated directly by carbon dioxide.

1948 Proc. National Acad. Sci. U.S.A. 34 495 A cell-free preparation which..under the proper experimental conditions carboxylates succinate to form the C₅ keto acid.

1981 H. Dugas & C. Penney Bioorganic Chem. vii. 469 The urea carboxylase component of ATP-amidolyase..reversibly carboxylates urea to form N-carboxyurea.

2003 Philos. Trans. (Royal Soc.) B. 358 62/1 Eubacteria synthesize their fatty acids from acetyl-CoA by carboxylating it.