acetyln.

1840 T. Graham Elements Chem.: Pt. 4th iii. ii. 780 Acetyl C₄H₃ = Ac: a hypothetical radical, produced by the abstraction of 2 atoms of oxygen from ethyl.

1840 J. Berzelius in London & Edinb. Philos. Mag. 16 5 Radical... Acetyle.

1840 London & Edinb. Philos. Mag. 17 2 Löwig and Wiedman have shown that C₂H₃ (acetyle) does not preexist in the oil, though it may possibly be found by its decomposition.

1859 Proc. Royal Soc. 1857–8 9 280 It is probable that Martinson's base contains the molecule C₄H₃ formerly called acetyl, but for which the more appropriate name of vinyl has lately been proposed.

1992 W. H. Brock Fontana Hist. Chem. vi. 218 Oxidation of alcohol to acetic acid justified Liebig's acetyl radical, C₄H₃.

1864 Athenæum 10 Dec. 788/3 The ethylate of acetyl.

1867 C. L. Bloxam Chemistry 555 Aldehyde should be represented as being framed upon the model of a molecule of hydrogen (HH), in which the place of one atom of hydrogen is occupied by acetyle (C₄H₃O₂), the hypothetical radical of acetic acid.

1871 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxxii. 354 Acetamide..is the acetyl ammonia; it is obtained by the action of ammonia upon ethyl acetate by an exchange of acetyl for hydrogen.

1904 Amer. Chem. Jrnl. Dec. 606 There are ten possible tautomeric formulas for this phenylacetylurazole, and four possible positions for the acetyl group.

1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) xxi. 397 In the preparation of monochlor-aniline, the aniline must be ‘protected’ by using it in the form of its acetyl derivative, acetanilide.

1948 W. W. Pigman & R. M. Goepp Chem. Carbohydrates x. 430 Blocking all the hydroxyl groups by easily removable groups such as acetyls except those between which the condensation is to occur.

1960 F. G. Mann & B. C. Saunders Pract. Org. Chem. (ed. 4) ii. 106 Compounds of the type ROH (alcohols and phenols)..can be directly acetylated, the reactive H atom being replaced by the acetyl radical, -COCH₃.

1988 BioFactors 1 267/2 Phosphotransacetylase from Clostridium kluyveri catalyses an acetyl transfer between coenzyme A and phosphate.

2000 Rosemary Conley Diet & Fitness Oct.–Nov. 93/2 The chemical ingredient, N-acetyl-cysteine, found in uncooked eggs, reverses the changes brought about by alcoholic dehydration.

1879 H. Watts Dict. Chem. VI. 418 Acetyl-cellulose.—Cellulose..heated to 180° in sealed tubes with six to eight times its weight of acetic anhydride dissolves to a thick syrup.

1912 Times 18 Dec. 21/6 Under various trade names acetyl-cellulose is already a commercial article.

1954 T. Vickerstaff Physical Chem. Dyeing (ed. 2) x. 317 Cellulose is highly hydrophilic, acetyl cellulose is hydrophobic, as shown for example by the low water absorption of the fibre.

1999 Biol. Bull. 196 114/1 The purified..samples were transferred to an acetyl cellulose film.

1866 Philos. Trans. (Royal Soc.) 156 57 We give below our reasons for concluding that methylated acetone is identical with the ethyl-acetyl described by Freund, and obtained by acting upon acetyl chloride with zinc ethide.

1909 E. I. Lewis Elements Org. Chem. xxi. 165 Like other primary amines, aniline reacts with acetyl chloride to form an acetyl compound.

1964 P. J. Hills Small Scale Org. Prepar. vi. 55 Add two drops of acetyl chloride to twenty drops of ethyl alcohol. Reaction occurs immediately; ethyl acetate is formed, and fumes of hydrogen chloride are given off.

2000 Evening Standard (Palmerston North, N.Z.) (Nexis) 1 Mar. 3 Charges alleging he sold morphine sulphate and the promoter chemical acetyl chloride, which together can produce injectable heroin.

1951 Biol. Rev. 26 438 Adenosinediphosphate + acetyl CoA + orthophosphate.

1974 Jrnl. Amer. Chem. Soc. 74 3205 It would be of considerable advantage if acetyl CoA were readily available for study in itself and as a substrate.

2008 Washington Post (Nexis) 13 Jan. c8 His groundbreaking work also included research in fatty acid metabolism that helped establish the ‘energy-rich’ nature of acetyl-CoA.

1950 5th Ann. Rep. to Amer. Cancer Soc. (National Res. Council (U.S.) Comm. Growth) 158/2 The active acetyl compound appears to be an acetylated coenzyme A... Acetyl-coenzyme A can also be formed from compounds such as acetyl phosphate or pyruvate.

1952 Jrnl. Amer. Chem. Soc. 74 3205 The separation of acetyl coenzyme A (CoA) from respiring yeast.

1989 Science 20 Oct. 353/1 Acetylcholine..is a combination of choline (from serine) and acetyl coenzyme A.

2006 S. P. Brown et al. Exercise Physiol. ii. 37/2 Acetyl coenzyme A is the focal point of all energy-producing pathways in the body.

1880 P. P. Bedson & A. J. King in Jrnl. Chem. Soc. 37 753 By the oxidation of acetylorthotoluidine we have..succeeded in obtaining acetylorthoamidobenzoic acid.

1866 H. E. Roscoe Lessons Elem. Chem. 289 Acetyl peroxide..is a remarkable compound, obtained by the action of barium dioxide upon acetic acetate. It is a thick liquid, possessing energetic oxidizing properties, and on heating it decomposes with explosive violence.

1936 S. Glasstone Recent Adv. Gen. Chem. ix. 408 Acetate radicals, which are first formed, immediately decompose, possibly with the intermediate formation of acetyl peroxide.

1997 Jrnl. Org. Chem. 62 3849/1 Acetyl peroxide (a clean source of methyl radicals).

1911 U.S. Patent 1,002,408 2/2 Acetyl silk was impregnated in about a 3% solution of sodium naphthionate in water for about 3 hours.

1928 Times 23 Jan. 11/2 The acetate patent is reported to apply only to silk manufactured from basic oxide,..and cannot therefore apply to the so-called acetyl silk, which is a product of acetic anhydride.

2006 A. K. R. Choudhury Textile Prepar. & Dyeing x. 693 The difficulties experienced in attempting to dye the so-called acetyl silk.