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glyoxal
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glyoxal
glyoxal Chem. (glaɪˈɒksəl) [f. gly-col + ox-alic + -al (in chloral, etc.).] A white amorphous solid, called also oxalic aldehyde. Hence glyoˈxalic a., in glyoxalic acid (see quot.).1857 H. Debus in Phil. Mag. 4th Ser. XIII. 40 This residue consisted almost entirely of the aldehyde of glyoxylic acid;...
Oxford English Dictionary
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Glyoxal
Pure glyoxal is not commonly encountered because glyoxal is usually handled as a 40% aqueous solution (density near 1.24 g/mL). At least one hydrate of glyoxal is sold commercially, glyoxal trimer dihydrate: [(CHO)2]3(H2O)2 (CAS 4405-13-4).
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Glyoxal-bis(mesitylimine)
It is synthesized by condensation of 2,4,6-trimethylaniline and glyoxal. Related compounds
Glyoxal-bis(triisopropylphenylimine), which is bulkier than glyoxal-bis(mesitylimine).
References
Chelating agents
Imines
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glyoxime
glyoxime Chem. (glaɪˈɒksiːm, -ɪm) Also glyoxim. [Blend of glyoxal and oxime.] a. The dioxime, HON:CH·CH:NOH, of glyoxal. b. Any of the dioximes of the α-diketones.1895 Jrnl. Chem. Soc. LXVIII. i. 36 Configuration of certain glyoximes. 1906 Muir & Morley Watts' Dict. Chem. II. 642/2 Glyoxim... Formed...
Oxford English Dictionary
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glyoxilin
glyoxilin (glaɪˈɒksɪlɪn) Also -yline. [? after glyoxylic (see glyoxal).] The name of an explosive (see quots.).1875 Ure's Dict. Arts, etc. (ed. 7) II. 321 Glyoxiline consists of a mixture of gun-cotton pulp and saltpetre converted into porous pellets, which are saturated with nitro-glycerine. 1883 M...
Oxford English Dictionary
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Lysidine (chemical)
Alternatively, it arises from the condensation of glyoxal, acetaldehyde, and ammonia.
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glyoxaline
glyoxaline Chem. (glaɪˈɒksəliːn) [f. glyoxal + -ine5.] = imidazole.1858 H. Debus in Chem. Gaz. XVI. 353 The other [organic base] in solution, to which in this paper the name of glyoxaline will be applied. 1943 Thorpe's Dict. Appl. Chem. (ed. 4) VI. 99/1 Glyoxalines are weak bases. 1946 A. A. Morton ...
Oxford English Dictionary
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Phenylglycine
It can also be prepared from glyoxal and by reductive amination of phenylglyoxylic acid.
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quinoxaline
quinoxaline Chem. (kwɪˈnɒksəliːn) [ad. G. chinoxalin (O. Hinsberg 1884, in Ber. d. Deut. Chem. Ges. XVII. 319), f. chin-olin quinoline + -oxal (f. glyoxal glyoxal) + -in -ine5. So named on account of its structural similarity to quinoline and its preparation from glyoxal.] A weakly basic colourless ...
Oxford English Dictionary
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Temgicoluril
It can be prepared by condensation of N,N-dimethylurea with glyoxal. One publication reported an elegant procedure for doing this. They combined N,N-dimethylurea, glyoxal, and a catalytic amount of phosphoric anhydride in an aqueous solution at room temperature and after sufficient
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2,4,6-Trimethylaniline
Condensation with glyoxal gives the 1,2-diimine ligands. An example is glyoxal-bis(mesitylimine), a yellow solid that is synthesized by condensation of 2,4,6-trimethylaniline and glyoxal.
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oxaldehyde
oxˈaldehyde Chem. [f. ox- 2 + aldehyde: = oxalic aldehyde.] A synonym of glyoxal.
Oxford English Dictionary
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Imidazolone
Some are of interest in the pharmaceuticals. 4-Imidazolones arise from the condensation of amidines with 1,2-dicarbonyls such as glyoxal.
References
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C20H24N2
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The molecular formula C20H24N2 (molar mass: 292.42 g/mol, exact mass: 292.1939 u) may refer to:
Dimetindene
Enprazepine
Glyoxal-bis
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Acedianthrone
It is produced from anthrone by condensation with glyoxal followed by dehydrogenation.
References
Anthraquinone dyes
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