In chemistry, racemization is a conversion, by heat or by chemical reaction, of an optically active compound into a racemic (optically inactive) form...

A raceme (/reɪˈsiːm, rə-/) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots...

(same as optical isomerism) Descriptor (chemistry) Racemic (protein) crystallography Racemization Skeletal formula#Stereochemistry which describes how...

racemization. Thus, measuring the ratio of D to L in a sample enables one to estimate how long ago the specimen died. The rate at which racemization proceeds...

undergo "umbrella inversion" at room temperature, leading to racemization. If the racemization is fast enough, the molecule can often be treated as an achiral...

Racemic acid is an old name for an optically inactive or racemic form of tartaric acid. It is an equal mixture of two mirror-image isomers (enantiomers)...

Racemic crystallography is a technique used in structural biology where crystals of a protein molecule are developed from an equimolar mixture of an L-protein...

(HOAt) is a triazole used as a peptide coupling reagent. It suppresses racemization that can otherwise occur during the reaction. HOAt has a melting point...

A foxtail is a spikelet or cluster of a grass, that serves to disperse its seeds as a unit. Thus, the foxtail is a type of diaspore or plant dispersal...

Nepeta racemosa, the dwarf catnip or raceme catnip, syn. N. mussiniii, is a species of flowering plant in the mint family Lamiaceae, native to the Caucasus...

(pKa 4.60) and suppresses base catalyzed side reactions, in particular racemization. Ethyl cyanohydroxyiminoacetate is obtained in the reaction of ethyl...

the racemization is 14.5 min. at 50 °C. Substituted derivatives of this parent species, e.g. binaphthol, exhibit much higher barriers to racemization. Pu...

a value near 0 towards an equilibrium value near 1, a process called racemization. Thus, measuring the ratio of D to L in a sample enables one to estimate...

(v.3 - Jan 2020), retrieved 2020-07-31 J L Bada (1985). "Amino Acid Racemization Dating of Fossil Bones". Annual Review of Earth and Planetary Sciences...

Chiral drugs that are equimolar (1:1) mixture of enantiomers are called racemic drugs and these are obviously devoid of optical rotation. The most commonly...

It is the "left-handed" (levorotatory) stereoisomer of racemorphan, the racemic mixture of the two stereoisomers with differing pharmacology. The "right-handed"...

dextroamphetamine. Amphetamine properly refers to a specific chemical, the racemic free base, which is equal parts of the two enantiomers in their pure amine...

crystal). Anhydrous HOBt is explosive. It is mainly used to suppress the racemization of single-enantiomer chiral molecules and to improve the efficiency of...

complete loss of racemization activity, while the same mutation in the downstream cysteine residue resulted in retention of 10–20% racemization activity. However...

leaflets with the narrower end towards the base, and racemes of usually red flowers in racemes of 2 to 6. Swainsona formosa is a prostrate annual or...

energy than the transition states for hydrogenation, resulting in rapid racemization and high yields of a single enantiomer of the product. The enantiomers...

Senega polygama, the racemed milkwort, is a species of flowering plant in the family Polygalaceae, native to eastern Canada and the central and eastern...

thyrsiflorum is a species of orchid, commonly called the pinecone-like raceme dendrobium. It is native to the Himalayas (Bhutan, Assam, Yunnan and Arunachal...

heart contractility and cardiac output. Dobutamine is administered as a racemic mixture consisting of both (+) and (−) isomers; the (+) isomer is a potent...

original (PDF) on 2012-09-06. "Lecture 28: Stereochemical Nomenclature; Racemization and Resolution | CosmoLearning Chemistry". CosmoLearning. W, T, Astbury...

reagent used in peptide synthesis. It shows remarkable resistance to racemization. Fmoc-Dab(Mtt)-OH, a commercially available amino acid building block...

chirality of the acetate center at a rate fast enough to ensure complete racemization. When this is achieved the CALB enzyme selectively hydrolyzes the (R)...

activation opens the possibility for racemization of the activated amino acid. Racemization can be circumvented with 'racemization suppressing' additives such...

process is known as RRR synthesis in which the R's stand for Resolution-Racemization-Recycle. Antimony potassium tartrate, an anion, that forms diastereomeric...

These methods include lichenometry, dendrochronology, and amino-acid racemization. Geoarchaeology Geomorphology Hydrology Neotectonics Palynology Sedimentology...