In organic chemistry, an active ester is an ester functional group that is highly susceptible toward nucleophilic attack. Activation can be imparted by...

Uronium) is a reagent used in peptide coupling chemistry to generate an active ester from a carboxylic acid. HATU is used along with Hünig's base (N...

(PFP) esters are chemical compounds with the generic formula RC(O)OC6F5. They are active esters derived from pentafluorophenol (HOC6F5). PFP esters are...

Ester Expósito Gayoso (born 26 January 2000) is a Spanish actress. She is best known for her starring role as Carla Rosón Caleruega in the Netflix teen...

(CH2CO)2NOH. It is a white solid that is used as a reagent for preparing active esters in peptide synthesis. It can be synthesized by heating succinic anhydride...

Ester Valerie Noronha (born 12 September 1992) is an Indian actress and singer known for her work in Telugu, Kannada, Hindi, and Konkani films. She is...

generating active esters from N-hydroxyphthalimide for use in peptide synthesis, an approach later extended to using N-hydroxysuccinimide. The ester linkage...

amino acid thioester reactions led Wieland and others to develop the 'active ester' method for the synthesis of protected peptide segments by conventional...

chloroformate, also known as benzyl chlorocarbonate or Z-chloride, is the benzyl ester of chloroformic acid. It can be also described as the chloride of the benzyloxycarbonyl...

acid reacts with DMTMM to form the active ester, releasing a molecule of N-methylmorpholinium (NMM). The resulting ester is highly reactive and can undergo...

pulsed plasma deposition. Poly(pentafluorophenyl acrylate) is a polymeric active ester and hence features an inherent reactivity towards nucleophiles such as...

Esther Renay Dean (born April 15, 1982), known professionally as Ester Dean, is an American singer-songwriter and record producer. She rose to prominence...

medroxyprogesterone acetate, and nomegestrol acetate are active themselves and are not prodrugs, whereas esters of 19-nortestosterone derivatives like norethisterone...

February 2019. Active moiety is the molecule or ion, excluding those appended portions of the molecule that cause the drug to be an ester, salt (including...

agents. In some cases, active esters exhibit comparable reactivity. All react with amines to form amides and with alcohols to form esters by nucleophilic acyl...

versatile antioxidant. Phenols undergo esterification. Phenol esters are active esters, being prone to hydrolysis. Phenols are reactive species toward...

A progestogen ester is an ester of a progestogen or progestin (a synthetic progestogen). The prototypical progestogen is progesterone, an endogenous sex...

derivative and a biologically active chemical constituent of artichoke (Cynara cardunculus). Chemically, it is an ester formed from quinic acid and two...

attached to proteins to specific functional groups, such as amino groups (active ester, carboxylate, isothiocyanate, hydrazine), carboxyl groups (carbodiimide)...

(HOAt). These reagents attack the O-acylisourea intermediate to form an active ester, which subsequently reacts with the peptide to form the desired peptide...

miners. The Ester Volunteer Fire Department, John Trigg Ester Library, Ester Historic Society and Ester Post Office serve residents in Ester and surrounding...

Sucrose esters or sucrose fatty acid esters are a group of non-naturally occurring surfactants chemically synthesized from the esterification of sucrose...

the less active but more stable isomer Δ8-THC was used, but the same reaction scheme could be used to make the phosphate ester of the more active isomer...

Creatine ethyl ester Feng, Liang; Hu, Jiwen; Liu, Zhilei; Zhao, Fabao; Liu, Guojun (June 2007). "Preparation and properties of optically active poly(N-methacryloyl...

chiral esters is used. In the former case (desymmetrization), the chiral environment of the enzyme active site leads to selective hydrolysis of the ester that...

benzoic acid esters Hansl NR (March 1974). "A novel spasmolytic and CNS active agent: 3-(2-benzylmethylamino ethyl) benzoic acid methyl ester hydrochloride"...

phenols. Pentafluorophenol is used to prepare pentafluorophenyl esters, which are active esters useful in peptide synthesis. Pentafluorophenol is considered...

ISBN 978-4-431-54836-2. S2CID 82050024. Jansson A. M.; Meldal M.; Bock K. (1990). "The Active Ester N-Fmoc-3-O-[Ac4-Alpha-D-Manp-(1-]2)-Ac3-Alpha-D-Manp-1-]-Threonine-O-Pfp...

3–6 hours throughout the day. Creatine supplements are marketed in ethyl ester, gluconate, monohydrate, and nitrate forms. Creatine supplementation for...

gas, or a liquid and a solid. The word surfactant is a blend of "surface-active agent", coined in 1950. As they consist of a water-repellent and a water-attracting...