amino-comb. form

1887 A. M. Brown Treat. Animal Alkaloids ii. ii. 85 The modes of syntheses of glycocolle or aminacetic acid and cyanide.

1898 Jrnl. Chem. Soc. 74 845/2 Glycocine (amino-acetic acid), as the chief amino-acid of sugar-cane.

1901 Jrnl. Chem. Soc. 80 i. 190 The acidity of an amino-acid depends on the electrochemical character of the groups near to the amino-nitrogen atom.

1904 Jrnl. Chem. Soc. 86 i. 664 Electrolytic preparation of p-Aminophenol and its derivatives.

1904 Jrnl. Chem. Soc. 86 i. 806 p-Aminobenzoic acid may be acetylated by heating its sodium salt with glacial acetic acid.

1904 G. F. Goodchild & C. F. Tweney Technol. & Sci. Dict. 15/2 Benzene is C₆H₆; the compound C₆H₅NH₂ is amino-benzene, commonly called aniline.

1904 G. F. Goodchild & C. F. Tweney Technol. & Sci. Dict. 15/2 Amino compounds have the group NH₂ replaced by OH when acted on by nitrous acids.

1906 Jrnl. Soc. Chem. Ind. 25 585/1 Manufacture of Aminophenols.

1910 Encycl. Brit. III. 756/2 Ortho-amino-benzoic acid, C₆H₄ . NH₂ . COOH (anthranilic acid), is closely related to indigo.

1910 Encycl. Brit. V. 305/1 By the reduction of nitro-phenols, the corresponding aminophenols are obtained, and of these, the meta- and para- derivatives are the most important.

1910 Practitioner June 823 Practically all proteins are broken down by hydrolysis into the various amino-acids, out of which they were originally formed.

1934 Chem. Abstr. 7364 Action of theophylline-ethylenediamine (aminophyllin, metaphyllin) varied considerably.

1936 Mod. Plastics Oct. 312/1 Aminoplast, general term for synthetic resins from amino or amido compounds.

1938 Brit. Plastics IX. 387 Amino-Plastics..Increased attention [has been] given to amino- and other plastics.

1940 Brit. Jrnl. Exper. Path. 21 89, p-amino-benzoic acid has high activity in antagonizing sulphanilamide inhibition... There is strong circumstantial evidence that the yeast factor may be p-aminobenzoic acid.

1940 Jrnl. Royal Aeronaut. Soc. 46 60 ‘Kaurit’ synthetic resin glue was used, a glue which is based on aminoplastics.

1945 New Biol. 1 16 Another 1·5 per cent [of a potato] consists in the main of amino acids.

1948 Lancet 2 Oct. 540/1 Aminopterin is a folic-acid antagonist.

1953 Sci. News 29 70 As a result of the protein breakdown there is a great increase in the amino-acid content of the cheese.

1955 Sci. News Let. 14 May 313/3 Chemicals like colchicine and aminopterin prevent cell division.

1955 Sci. News Let. 28 May 345/2 She was given penicillin, digoxin for the heart, sedatives, morphine, aminophylline and streptomycin.

1958 Times Rev. Industry Feb. 77/2 Aminoplastic resins..showed a 20 per cent. increase on last year.

1958 Times 5 July 10/7 A number of o-amino-phenols are now known to induce cancer in the bladder.

1958 Oxf. Mail 7 Oct. 1/1 The Pope's personal physician at one time administered aminophyllin and eupaperin when the signs of circulatory trouble in the brain set in.

1959 Chambers's Encycl. III. 361/1 The amino-acids, such as amino-acetic acid or glycine, CH₂(NH₂).COOH, are amphoteric substances, being both acidic and basic; they are of particular interest in biochemistry as the final products of the hydrolysis of proteins, such as egg-white, haemoglobin, collagen, and keratins.

1964 N. G. Clark Mod. Org. Chem. xii. 233 The characteristic functional group of primary amines, NH₂, is called ‘amino-’; similarly, the simplest group characteristic of a tertiary amine, (CH₃)₂N—, is known as ‘dimethylamino-’.

1964 N. G. Clark Mod. Org. Chem. xxii. 446 A poly-functional derivative [of the aromatic amines], p-aminobenzoic acid, is widely distributed in nature in small amounts, and is an essential dietary factor for many bacteria and higher animals.

1880 Jrnl. Chem. Soc. 38 541 A deliquescent mass of crystals of β-amidobutyric acid, CHMe(NH₂)·CH₂·COOH, is obtained.]

1900 Jrnl. Chem. Soc. 78 i 557 When pyrrolidone is boiled with alkalis, concentrated hydrochloric acid, or barium hydroxide, it is converted into γ-aminobutyric acid.

1962 U. Dardenne & G. Kirsten in A. Pirie Lens Metabolism 416 Aminobutyric acid, a component of ophthalmic acid,..and methionine occur in a higher concentration in lenses of older animals.

1983 Current Affairs Bull. Dec. 19/1 More likely it [sc. hydrogen cyanide gas] would be used for food by certain bacteria, resulting in the formation of relatively harmless compounds such as carbon dioxide and various organic acids—for example, amino butyric acid.

1901 Jrnl. Chem. Soc. 80 i. 17 The boiling point of the product is always high when an amino-alcohol, X·CH(OH)·CH₂·NH₂, is formed.

1950 Thorpe's Dict. Appl. Chem. (ed. 4) X. 710/2 All Senecio and related alkaloids are esters of a cyclic amino-alcohol of pyrrolizidine type with aliphatic or alicyclic acids.

2001 Guardian 4 Oct. (Online section) 11/6 A focused beam of microwaves can trigger the reaction of a group of readily available amino-alcohols with an aldehyde to form a so-called oxazolidine.