DOSEN PROFIL LENGKAP

esterification. They can be saturated or unsaturated. Lactones are formed by lactonization, the intramolecular esterification of the corresponding hydroxycarboxylic...

ABNO have been recently published. The Xie–Stahl oxidative lactonization is a lactonization reaction which generally employs Steves–Stahl conditions for...

the dual function of removing the two acetal groups and ring-closing lactonization. This step yields ascorbic acid. Each of the five steps has a yield...

Elias James; Nicolaou, Kyriacos Costa (1974-08-01). "Efficient and mild lactonization method for the synthesis of macrolides". Journal of the American Chemical...

Kostanecki acylation, which can also be used to produce chromones. From lactonization of ortho-hydroxylated cis-hydroxycinnamic acid. Coumarin is found naturally...

Muconate lactonizing enzymes (EC 5.5.1.1, muconate cycloisomerase I, cis,cis-muconate-lactonizing enzyme, cis,cis-muconate cycloisomerase,...

many areas of chemistry. The comparative rates of lactone formation (lactonization) of various 2-hydroxybenzenepropionic acids illustrate the effect. The...

Oxidation. II. Separation and Properties of the Enzymes Catalyzing Camphor Lactonization". Journal of Biological Chemistry. 240: 495–503. doi:10.1016/S0021-9258(18)97679-9...

medium-to-large-size lactones. Previously, intermolecular outcompeted intramolecular lactonization even at low concentrations. One big advantage of this reaction is that...

NADPH to first lariciresinol, and ultimately secoisolariciresinol. Lactonization on secoisolariciresinol gives rise to matairesinol. Secoisolariciresinol...

(toxiferine) Oxidative addition of phenols (dauricine, tubocurarine) Lactonization (carpaine). Voacamine Villalstonine Toxiferine Dauricine Tubocurarine...

Shiina macrolactonization (or Shiina lactonization) is an organic chemical reaction that synthesizes cyclic compounds by using aromatic carboxylic acid...

5-lactone or 4-CQL) is found in roasted coffee beans. It is formed by lactonization of 4-O-caffeoylquinic acid during the roasting process. It is reported...

5-diketocamphane 1,2-monooxygenase (EC 1.14.14.108, 2,5-diketocamphane lactonizing enzyme, ketolactonase I, 2,5-diketocamphane 1,2-monooxygenase oxygenating...

to acrylic acid, giving hydroxy carboxylic acids, which spontaneously lactonize. Panten, Johannes; Surburg, Horst (2016). "Flavors and Fragrances, 3....

monooxygenase from Cylindrocarpon radicicola ATCC 11011. Oxygenative lactonization of androstenedione to testololactone". Journal of Biochemistry. 99 (3):...

3-trimethyl-5-oxocyclopent-3-enyl)acetyl-CoA,NADPH:oxygen oxidoreductase (1,5-lactonizing). This enzyme catalyses the following chemical reaction [(1R)-2,2...

(May 2014). "Semisynthesis of libiguin A and its analogues by trans-lactonization of phragmalin". The Journal of Organic Chemistry. 79 (9): 4148–4153...

activity (Thesis). OCLC 49766384. Schomaker, Jennifer M (2006). Oxidative lactonization and its application to the total synthesis of (+)-tanikolide, the ylide-mediated...

in statistics Managed learning environment, in e-learning Muconate lactonizing enzyme, in molecular biology Magazine Lee–Enfield, a rifle Maleless protein...

report of iodolactonization represented the first example of a reliable lactonization that could be used in many different systems. Bromolactonization was...

at the α position to afford substituted products in high yield. (5) Lactonization of alkenes in the presence of acetic acid and acetate salts is a synthetically...

Teiber JF, Draganov DI, La Du BN (September 2003). "Lactonase and lactonizing activities of human serum paraoxonase (PON1) and rabbit serum PON3"....

2-Keto-L-gulonic acid The final step is a ring-closing step or gamma lactonization with removal of water. Intermediate 5 can also be prepared directly...

Esterification by Means of Mixed Anhydride and Its Application to Large-ring Lactonization". Bull. Chem. Soc. Jpn. 1979, 52, 1989–1993. doi:10.1246/bcsj.52.1989...

oxygenase, cyclohexanone:NADPH:oxygen oxidoreductase (6-hydroxylating, 1,2-lactonizing)) is an enzyme with systematic name cyclohexanone,NADPH:oxygen oxidoreductase...

; Gatti, Roberto; Gogoll, Adolf (September 1993). "Stereocontrolled lactonization reactions via palladium-catalyzed 1,4-addition to conjugated dienes"...

Coumestrol and Coumestans by Iodocyclization and Pd-Catalyzed Intramolecular Lactonization". Journal of Organic Chemistry. 70 (24): 9985–9989. doi:10.1021/jo0517038...

17-dione-hydrogen-donor:oxygen oxidorcockeductase (13-hydroxylating, lactonizing). Other names in common use include androstene-3,17-dione hydroxylase...

performed. Hexahydroxydiphenic acid, created after hydrolysis, spontaneously lactonized to ellagic acid, and sanguisorbic acid to sanguisorbic acid dilactone...

Germacratrien-12-oic acid is then hydroxylated at C6 subsequently followed by lactonization forming (+)-costunolide. It was proposed that the methylene of (+)-costunolide...

hydroxylation of cinnamates, trans/cis isomerization of the side chain, and lactonization. And CYP98A (C3’H) are enzymes belonging to the cytochrome P450 family...

carboxamide group to an iminium salt that hydrolyzes to the lactone. This lactonization leads to cis-fused rings. Reaction of (c→C-8)-lactone E-38/HE-45 with...

building blocks via horse liver alcohol dehydrogenase-catalyzed oxidative lactonization One-pot combination of enzyme and Pd nanoparticle catalysis for the...

severe growth deficits. Finally, in Arabidopsis, the Baeyer-Villiger lactonization process occurs through the action of the two homologous enzymes CYP85A1...

Synthesis of Octalactin A Using Asymmetric Aldol Reactions and a Rapid Lactonization To Form a Medium-Sized Ring doi:10.1002/chem.200500417 Total Synthesis...

class is 2-hydroxycyclohexan-1-one,NADPH:oxygen 2-oxidoreductase (1,2-lactonizing). The product spontaneously forms 6-oxohexanoic acid and in Acinetobacter...

The above figure shows a carboxylic acid directed diastereoselective lactonization of tetrahydrogibberellic acid via a C-H oxidation to form a butyrolactone...

germacrene acid. Germacrene acid could then be hydroxylated and undergo lactonization to form (+)-costunolide, a branching point for the biosynthesis of sesquiterpene...

epoxidation Shiina esterification Shiina macrolactonization or Shiina lactonization Sigmatropic reaction Simmons–Smith reaction Simonini reaction Simonis...

class is cyclopentanone,NADPH:oxygen oxidoreductase (5-hydroxylating, lactonizing). It is also called cyclopentanone oxygenase. Enzyme 1.14.13.16 at KEGG...

(decyclizing). Other names in common use include beta-carboxymuconate lactonizing enzyme, and 3-carboxymuconolactone hydrolase. This enzyme participates...

The modified chain is transferred to the TE domain. This will allow lactonization and release from the enzyme. Hydroxylation occurs at ortho-position...

following are examples of members of this family: 3-carboxymuconate lactonizing enzyme, EC 5.5.1.2 (3-carboxy-cis,cis-muconate cycloisomerase), an enzyme...

to connect the two main aromatic rings, followed by a seven-membered lactonization reaction to form the final structure. The synthetic route also allowed...

mature polyketide (either as the free acid or a cyclized product), via lactonization. Note: As stated above, the first module of DEBS contains an additional...

shown in Fig. 2). Upon oxidation this intermediate will spontaneously lactonize to form the aromatic ring B and lose NovH in the process. The biosynthesis...

oxidized to a oxidized to a β-hydroxyketone (9). The carboxylic acid lactonizes to the gbl ring, while dehydration of the 5β-hydroxyl group leads to the...

Synthesis of Octalactin A Using Asymmetric Aldol Reactions and a Rapid Lactonization To Form a Medium-Sized Ring". Chem. Eur. J. 11 (22): 6601–6608. doi:10...

L-Ala-D/L-Glu epimerase (ycjG) and E323G mutant of a pseudomonad muconate lactonizing enzyme II, allowing them to promiscuously catalyse the activity of O-succinylbenzoate...

diester via desymmetrizing hydrolysis, chemoselective reduction, and lactonization. Although the product itself is asymmetric, desymmetrization and functional...

Esterification by Means of Mixed Anhydride and Its Application to Large-ring Lactonization". Bulletin of the Chemical Society of Japan. 52 (7): 1989–1993. doi:10...

2-monooxygenase [(+)-camphor, reduced-rubredoxin:oxygen oxidoreductase (1,2-lactonizing)] (+)-bornane-2,5-dione + reduced rubredoxin + O2 = 5-oxo-1,2-campholide...

group participation in organocatalytic asymmetric sequential Michael-lactonization reactions: synthesis of highly substituted chiral spirodihydrocoumarins"...

counterion. Carbonylation of the resultant alkylcobalt followed by lactonization releases the product. A heterobimetallic bond-breaking process is also...

a member of the enolase superfamily of enzymes, along with muconate lactonizing enzyme and enolase. Gunsalus CF, Stanier RY, Gunsalus IC (November 1953)...

undergoes a photochemical isomerization to a cis isomer which spontaneously lactonizes to yield umbeliferone. Subsequently, umbelliferone 6-prenyltransferase...

the polyketide chain with ethyl malonyl-CoA, and is released upon the lactonization of the polyketide product by a thioesterase domain. Following the cyclization...

cyclopropanation, ozonolysis is used followed by allylation, realdolation and lactonization. An apple type reaction a chemoselective reduction of the aldehyde formed...

the characteristic α,β-unsaturated lactone moiety is formed through a lactonization step to result in the final structure.[citation needed] The total synthesis...

selectivity for the E–ester. A functional stereodivergent organocatalyzed IMA/lactonization transformation in the synthesis of substituted dihydrofurans and tetrahydrofurans...

menaquinone, also known as vitamin K2. OSBS belongs to the muconate lactonizing enzyme subgroup of the enolase superfamily. The systematic name of this...

reactions on different substrates. Enolase Mandelate racemase (MR) Muconate lactonizing enzyme (MLE) The primary sequences of MR and MLE, approximately 25% identical...

aspartase, adenylosuccinase lyase, and 3-carboxy-cis and cis-muconate lactonizing enzyme are all members of the same homotetrameric superfamily of enzymes...