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racemic
racemic, a. Chem. (rəˈsɛmɪk, rəˈsiːmɪk) [f. as prec., ad. F. (acide) racémique (printed racenique) (J. L. Gay-Lussac Cours de Chimie (1828) xxiv. 23).] a. Derived from grapes or grape-juice. racemic acid, an acid existing in certain tartars, isomeric with tartaric acid, but differing from it in seve... Oxford English Dictionary
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Racemic acid
Racemic acid is an old name for an optically inactive or racemic form of tartaric acid. Tartaric acid's sodium-ammonium salt is unusual among racemic mixtures in that during crystallization it can separate out into two kinds of crystals, each wikipedia.org
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From Racemic Alcohols to Enantiopure Amines: Ru-Catalyzed ...
by NJ Oldenhuis · 2014 · Cited by 123 — Chiral Amine Synthesis: Methods, Developments and Applications; Wiley-VCH: Weinheim, Germany, 2010. Google Scholar. There is no corresponding ...
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Racemic mixture
History The first known racemic mixture was racemic acid, which Louis Pasteur found to be a mixture of the two enantiomeric isomers of tartaric acid. The nucleophile will have a 50% probability of 'hitting' either of the two sides of the planar grouping, thus producing a racemic mixture: Racemic pharmaceuticals wikipedia.org
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Racemic crystallography
In the first practical application to solving an unknown structure, racemic and quasi-racemic X-ray crystallography were used to determine the structure Subsequently, pairs of racemic and quasi-racemic protein molecules prepared by total chemical synthesis have been shown to dramatically increase the rate wikipedia.org
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Racemization
The D and L enantiomers are present in equal quantities, the resulting sample is described as a racemic mixture or a racemate. Crystallization of a racemate can result in separate (+) and (−) forms, or a single racemic compound. wikipedia.org
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Kryptoracemic compounds
In most of the cases, racemic compounds crystallize in centrosymmetric crystal structures. very rare and represent circa 1% of the racemic compounds. wikipedia.org
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Mandelonitrile
Preparation Racemic mandelonitrile may be prepared similar to many other cyanohydrins. reaction, benzaldehyde is reacted with sodium bisulfite to give the corresponding adduct, which further reacts with aqueous sodium cyanide to give the racemic wikipedia.org
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AMB-FUBINACA, FUB-AMB, MMB-FUBINACA,1971007-92-7, racemic: 1715016-76-4 ...
AMB-FUBINACA, FUB-AMB, MMB-FUBINACA,1971007-92-7, racemic: 1715016-76-4 Tap my phone number，search on Google，you can see more. WhatsApp/telegram:+852 59274482
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C5H8
Pentyne 3-Methyl-1-butyne or isopentyne, CAS 598-23-2 Pentadienes: 1,2-Pentadiene, two cis-trans isomers, CAS 591-95-7 1,3 Pentadiene, CAS 504-60-9 (racemic 1574-41-0 trans-1,3-Pentadiene or (E)-1,3-pentadiene, or Piperylene 1,4-Pentadiene, CAS 591-93-5 2,3-Pentadiene, two axial isomers, CAS 591-96-8 (racemic wikipedia.org
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Rhodinol
In the field of perfumery materials, the term may refer to L-citronellol, to mixtures comprising mostly L- or racemic citronellol and geraniol, or to mixtures comprising mostly racemic 3,7-dimethyloct-7-en-1-ol and racemic citronellol. wikipedia.org
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Ditetrahydrofurylpropane
The meso form (absolute configuration SR or RS) is symmetrical, while the stereoisomers (of absolute configuration SS and RR) represent a racemic pair. The symmetrical, meso form of DTHFP was found to be significantly more effective in increasing the vinyl content of rubber than the racemic form. wikipedia.org
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Chiral resolution
Chiral resolution, or enantiomeric resolution, is a process in stereochemistry for the separation of racemic mixture into their enantiomers. Spontaneous resolution has also been demonstrated with racemic methadone. wikipedia.org
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Chiral switch
For example, levofloxacin is a chiral switch of racemic ofloxacin. In general, the term chiral switch is preferred over racemic switch because the switch is usually happening from a racemic drug to the corresponding single wikipedia.org
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Enantiomer self-disproportionation
fraction and a more racemic fraction as a result of the formation of heterochiral or homochiral aggregates. Two fractions were recorded, one containing racemic nicotine and the other pure (S) enantiomer. In 2006, Vadim A. wikipedia.org
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