DOSEN PROFIL LENGKAP

In chemistry, isomerization or isomerisation is the process in which a molecule, polyatomic ion or molecular fragment is transformed into an isomer with...

Glucose is a sugar with the molecular formula C6H12O6. It is the most abundant monosaccharide, a subcategory of carbohydrates. It is made from water and...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

Isomerisation of meta-xylene to para-xylene on passing through a ZSM-5 catalyst....

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

Protein primary structure is the linear sequence of amino acids in a peptide or protein. By convention, the primary structure of a protein is reported...

molecule 1 Dehydration Citrate Aconitase cis-Aconitate + H2O reversible isomerisation 2 Hydration cis-Aconitate + H2O Isocitrate 3 Oxidation Isocitrate +...

chemistry has been revisited many times, particularly in relation to the isomerisation reaction between the cis and trans forms which was first reported in...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

methane during digestion. Fumaric acid is produced based on catalytic isomerisation of maleic acid in aqueous solutions at low pH. It precipitates from...

also successfully erected the VGO HDT Reactor. Other units include an Isomerisation unit, a dual-feed cracker unit, an ethylene recovery unit, two polyethylene...

0 Catalytic hydrocracking 6.0 6.0 Alkylation / Polymerization 10.0 10.0 Oxygenates 10.0 10.0 Aromatics / Isomerisation 15.0 15.0 Lubricants 60.0 10.0...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

place of HOAt and working up the reaction mixture quickly to prevent isomerisation. HATU is commonly encountered in amine acylation reactions (i.e., amide...

labile. These compounds may be classed as permanent zwitterions, as isomerisation to a molecule with no electrical charges does not occur, or is very...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

chloride or acetaldehyde in the presence of activated charcoal, or by the isomerisation of tetrachloroethylene oxide via heating. It is used in the manufacture...

tipping over completely. A common example of metastability in science is isomerisation. Higher energy isomers are long lived because they are prevented from...

involved the catalyst Pd/C and the solvent ethyl acetate. However, due to isomerisation during hydrolysis, other catalysts, such as PtO2, and solvents, such...

Vacuum distillation Catalytic cracking Catalytic reforming Alkylation Isomerisation Polymerisation Hydrodesulphurisation Sweetening Hydrocracking Solvent...

They are of some academic interest in relation to aromaticity and isomerisation mechanisms. The three basic isotoluenes are ortho-isotoluene or 5-methylene-1...

Anthony (2004). "Solvent Exchange, Solvent Interchange, Aquation and Isomerisation Reactions of cis- and trans-[Co(tmen)2(NCMe)2]3+ in Water, Me2SO and...

by forming an allylic amine from myrcene, which undergoes asymmetric isomerisation in the presence of a BINAP rhodium complex to give (after hydrolysis)...

Carboxylation Bacteria, archaea and eukaryotes Methylcobalamin  Methylation and isomerisation Bacteria, archaea and eukaryotes Thiamine pyrophosphate  Transfer of...

oxygenation/deoxygenation status of hemoglobin. This balance is maintained by isomerisation of 1,3-BPG to 2,3-BPG, which enhances the deoxygenation of hemoglobin...

are used for a wide range of catalytic applications. They catalyze isomerisation, alkylation, and epoxidation, and are used in large scale industrial...

(linear) pentane into (branched) isopentane. The decisive factor in the isomerisation of normal pentane is an increase in the total octane number. This improvement...

trans-2-butene equilibrate when in contact with alkali metals. Whereas isomerisation is fast with lithium and sodium, it is slow with the heavier alkali...

attached, which results in a change in steroid A-ring conformation. Isomerisation at the C-21 side chain produces a parallel series of compounds, referred...

secalonic acid A during 13hr, to reach an equilibrium of 3.2 : 2 : 1. This isomerisation goes faster in the presence of base (DMSO/pyridine). The common key...

releasing of hop flavours, bitterness and aroma compounds through isomerisation, stopping of enzymatic processes, precipitation of proteins, and concentration...

exposed to sun rays, the spatial arrangement of its molecules changes and isomerisation takes place. While until now only unchanged EHMC has been researched...

green cone opsins). The process of vision relies on the light-induced isomerisation of the chromophore from 11-cis to all-trans resulting in a change of...

the condensation of cyclopentanone and pentanal, followed by C=C bond isomerisation to give the 2-pentyl-cyclopentenone derivative. Michael reaction of...

catalytic reformer (CCR) unit, naphtha and gas-oil hydrotreaters and an isomerisation unit, as well as the installation of pneumatic control units and a supervisory...

bpd 14,500 bpd Heavy naphtha + hydrogen Gasoline, Hydrogen rich gas Isomerisation Unit (UOP catalytic process: converts straight chain pentane and hexane...

dehydratase (EC 4.2.1.33) is an aconitase homologue, which catalyses the isomerisation of 2-isopropylmalate to 3-isopropylmalate, via dehydration, in the biosynthesis...

000 bbl/d (2,900 m3/d) No. of employees 230 Refining units alkylation, isomerisation, distillation of crude oil, hydrocracking, reforming catalytic, cracking...

and the refining capacity of was increased. From 1947 to 1960, the isomerisation, catalytic reforming, chemicals plants were built and the refining capacity...

6-phosphate lies within the glycolysis metabolic pathway and is produced by isomerisation of glucose 6-phosphate. It is in turn further phosphorylated to fructose-1...

of the active site cavity, allowing for catalysis of oxidation and isomerisation of cholesterol to cholest-4-en-3-one. As of late 2007, 14 structures...

such as those based on cerium(IV) oxide. Catalysis for the endo to exo isomerisation. Use of additives in JP-10 for various enhancements. Aviation Fuel Properties...

of tungsten trioxide by hydrogen in the presence of water, and the isomerisation of 2,2-dimethylpropane to 2-methylbutane. It has been proposed as a...

Hydrohalogenation Hydrolysis Hydrometalation Hydrosilylation Iodination Isomerisation Jones oxidation Kulinkovich reaction Kumada coupling Lemieux–Johnson...

acid and the intermediacy of isocrotonic (cis-but-2-enoic) acid in its isomerisation to crotonic (trans-but-2-enoic) acid". Journal of the Chemical Society...

Trivedi, N.; Olah, J. (1991). "Superacid HSO3F/HF-Catalyzed Butane Isomerisation". Catalysis Letters. 10 (3–4): 239–247. doi:10.1007/BF00772077. S2CID 94408218...

isomers by heating in the presence of a catalyst. Examples include isomerisation of n-butane to isobutane and pentane to isopentane. Highly branched...

 of employees 400 (816 FTE including contract labor) Refining units alkylation, isomerisation, distillation of crude oil, hydrocracking, reforming catalytic, cracking...

In addition, a photochemical method exists for the direct cis–trans isomerisation. Although this equilibrium strongly favours the more stable cis form...

unstable above 100 °C; decomposition gives 1,1,3,3,3-pentachloropropene by isomerisation. Pentachlorocyclopropane can be obtained by the addition of dichlorocarbene...

formed in the above reaction but is produced via a subsequent isomerisation: This isomerisation reaction is catalyzed by any species which can form an allyl...

ee) by Takasago International Corporation, using Noyori's method for isomerisation of allylic amines. More recently with Philip G. Jessop, Noyori has developed...

Hydrocracker; Hydrogen Plant; Sulfur Complex; Naphtha Reformer; Naphtha Isomerisation Offsites and Utilities. In 2006 the refining capacity was increased...

year vacuum gas oil hydrocracker and a 290,000  tonne per year naphtha isomerisation unit (NIU). An additional 3.1 million tonne per year solvent de-asphalting...

photolytic isomerisation when acetone is added as a photosensitizer to produce semibullvalene. Prolonged irradiation results in further isomerisation to form...

as a catalyst in the petrochemical industry for the acid-catalyzed isomerisation of alkanes and aromatics. In New Zealand mordenite-bearing zeolitic...

R. Ir. Acad. 1973, 73 (17), 291-297 O'Callaghan, Conor N. (1980). "Isomerisation of 2-aryl-4-oxo-2,3-dihydrobenzopyrano[2,3-d]pyrimidines to...

gas oil desulphuriser Two catalytic reforming units Pentane – hexane isomerisation plant Aromatics extraction plant Toluene dealkylation plant Gas recovery...

illustrated below, octaethylcyclooctatetraene (C8Et8) is formed by thermal isomerisation of octaethylsemibullvalene, itself formed by copper(I) bromide mediated...

all-trans 15-anti to the strained 13-cis 15-anti in the K state. The isomerisation reaction is fast and occurs in less than 1 ps. The retinal adopts a...

transformation and related reactions, in: Glycoscience: epimerisation, isomerisation and rearrangement reactions of carbohydrates, Vol. 215, (Ed.: STÜTZ...

by HPLC-electrospray mass spectrometry and NMR spectroscopy into the isomerisation of salinomycin". The Analyst. 124 (3): 251–256. doi:10.1039/a809594i...

1-bromo-4-tert-butylbenzene with 2-hydroxymethylpropene followed by isomerisation. In a 2003 study it was found that in vitro, bourgeonal acts as a chemo-attractant...

about the Dangote refinery in Lekki here.) There is also a butamer isomerisation plant, an alkylation plant, a hydrogen purification plant, a fuel gas...

iodide was used as a catalyst for the Henkel process, a high-temperature isomerisation of dipotassium phthalate to yield the terephthalate. The salt was then...

percent of the total shares. In 2007, National Refinery commissioned an isomerisation unit (naphtha block) with a processing capacity of 6,793 barrels per...

Retinal isomerase (EC 5.2.1.3) is an enzyme that catalyzes the isomerisation of all-trans-retinal in the eye into 11-cis-retinal which is the form that...

Isomerisation of Roquefortine C to Isoroquefortine C...

Since then, additional units have been installed, notably a naptha isomerisation unit and a hydrodesulphurisation unit. In August 1983, a major boilover...

isomerize to all-trans-retinal (as part of the rhodopsin complex). The isomerisation results in the release of chemical energy, which is processed into an...

migration (1–3 base pairs of the Holliday intermediate), coupled to an isomerisation event that is responsible for switching the strand cleavage specificity...

was not a chemical step on the reaction pathway, but a pH-dependent isomerisation between active and inactive forms, and investigated the energetics and...

obvious connection. ACO2 encodes an isomerase catalysing the reversible isomerisation of citrate and isocitrate. EPAS1 encodes a transcription factor involved...

in close vicinity, i.e. cis-orientation, so there can be trans-cis isomerisation involved. In reductive elimination the product tolane is expelled from...

ISSN 0040-4020. Marc Tiffeneau; Paul Weill; Bianca Tchoubar (1937). "Isomérisation de l'oxyde de méthylène cyclohexane en hexahydrobenzaldéhyde et désamination...

was completed, adding a 'Naphtha Minus' complex which contained an isomerisation unit, benzene recovery and gas turbine power generation. A new Control...

Компании (in Russian). Retrieved 2024-06-17. The Krasnodar approach to isomerisation. Oilmarket. 2005. p.28-32. Largest Light Gasoline Fraction Isomerization...

reactions. For example, in the presence of NH4PF6 it catalyzes the isomerisation of allylic alcohols to the corresponding saturated carbonyls. Gilbert...

Cajal bodies and believed to be involved in the pseudouridylation (isomerisation of uridine to pseudouridine) of U2 spliceosomal RNA. scaRNAs are a specific...

(doi:10.1021/ja01146a542) The mechanism of the tertiary amine catalysed isomerisation of endoperoxides to hydroxyketones: synthesis and chemistry of the intermediate...

reticulum, is a multi-functional protein that catalyses the formation and isomerisation of disulfide bonds during protein folding. PDI contains 2 redox active...

phenethylamine with Raney nickel catalyst and hydrogen in ammonia: The cracking, isomerisation, and reformation of hydrocarbons to form appropriate and useful blends...

arrondissement of Paris. Tiffeneau, Marc; Weill, Paul; Tchoubar, Bianca (1937). "Isomérisation de l'oxyde de méthylène cyclohexane en hexahydrobenzaldéhyde et désamination...

cracker Catalytic reformer Hydro desulphurisation units Gas recovery unit Isomerisation unit Alkylation unit The thermal reformer unit and the Thermofor catalytic...

ISSN 1466-8033. Chan, S. C.; Poon, C. K. (1966). "Preparation, properties, and isomerisation of aquofluorobis(ethylenediamine)cobalt(III) cations". Journal of the...

plants. Diaminopimelate epimerase (EC 5.1.1.7), which catalyses the isomerisation of L,L-dimaminopimelate to meso-DAP in the biosynthetic pathway leading...

more common trans form. The activation energy required to catalyse the isomerisation between cis and trans is relatively high: ~20kcal/mol (cf. ~0kcal/mol...

All camphor-derived sunscreens dissipate photon energy by cis-trans isomerisation. However, for enzacamene, the quantum yield for this isomerization is...

Wilkins, B. (1972). "One the π-allylmetal hydride mechanism for the isomerisation of olefins catalysed by transition metal complexes". Journal of Organometallic...

benzoquinone. DMMDP2P can be alternatively made by subjecting apiole to an isomerisation reaction to yield the thermodynamically stabler internal alkene, isoapiole...

Vinylcyclopropan, einige Derivate des Methyl-cyclopropyl-carbinols und die Isomerisation des Cyclopropan-Ringes". Ber. Dtsch. Chem. Ges. B. 55 (8): 2718. doi:10...

Ferrierite Crystals as Models for Catalyst Deactivation during Skeletal Isomerisation of Oleic Acid: Evidence for Pore Mouth Catalysis". Chemistry – A European...

000 bbl/d (11,000 m3/d) No. of employees 75 Refining units alkylation, isomerisation, distillation of crude oil, reforming catalytic, cracking catalytic...

Isomerisierung von Tetramethyl-1,3-cyclobutandion zum Dimethylketendimer Isomerisation of tetramethyl-1,3-cyclobutanedione to Dimethyl ketene dimer...

acid, or 3-fumarylpyruvate, is a dicarboxylic acid formed from the isomerisation of 3-maleylpyruvate by maleylpyruvate isomerase. It is converted into...

attached to the ribose group). Pseudouridylation is the conversion (isomerisation) of the nucleoside uridine to a different isomeric form pseudouridine...

victoriae. Effect of post-translational modifications and disulfide isomerisation on bioactivity". Int. J. Peptide Res and Therap. 15 (3): 195–203. doi:10...

of 18S ribosomal RNA (rRNA) residue U814. Pseudouridylation is the isomerisation of the nucleoside uridine to the different isomeric form pseudouridine...

pseudouridylation of U55 of 5.8S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

ISBN 978-3-527-30673-2. Otsuka K (January 1961). "Cis-trans Isomerase Isomerisation from Maleic Acid to Fumaric Acid". Agricultural and Biological Chemistry...

isolated species, Loerting and his co-workers have pioneered formation and isomerisation of carbonic acid and its derivatives. Thomas Loerting has received numerous...

pseudouridylation of U36 of 18S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

; Morack, Tobias; Gilmour, Ryan (2019). "Positional and Geometrical Isomerisation of Alkenes: The Pinnacle of Atom Economy". Angewandte Chemie International...

– SLiMs can be recognised by isomerases resulting in the cis-trans isomerisation of the peptide backbone. Ligand binding sites Ligand binding site SLiMs...

Cajal bodies and believed to be involved in the pseudouridylation (isomerisation of uridine to pseudouridine) of U1 spliceosomal RNA. scaRNAs are a specific...

compound - methylmalonyl-CoA (MMl-CoA). MCM catalyzes the reversible isomerisation of l‐methylmalonyl‐CoA to succinyl‐CoA, requiring cobalamin (vitamin...

(1970). "1.2-Wanderungen zum Atom mit freiem Elektronenpaar, VIII.ortho-Isomerisation bei anionisierten Äthern und Wanderungsmechanismus eines Propargyl-Restes...

2]paracyclophane is dibrominated to give a pseudo-para dibromide. Thermal isomerisation then gives pseudo-ortho atropisomer of the dibromide. This isomer is...

Cajal bodies and believed to be involved in the pseudouridylation (isomerisation of uridine to pseudouridine) of U1 spliceosomal RNA. scaRNAs are a specific...

pseudouridylation of U1692 of 18S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

Cajal bodies and believed to be involved in the pseudouridylation (isomerisation of uridine to pseudouridine) of U6 spliceosomal RNA. scaRNAs are a specific...

pseudouridylation of U1004 of 18S ribosomal RNA (rRNA). Pseudouridylation is the isomerisation of the nucleoside uridine to the different isomeric form pseudouridine...

bimolecular association step, peptide binds to TAP, followed by a slow isomerisation of the TAP complex'. It is suggested that the conformational change...

Cajal bodies and believed to be involved in the pseudouridylation (isomerisation of uridine to pseudouridine) of U1 spliceosomal RNA. scaRNAs are a specific...

pseudouridylation of U2495 of 28S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

pseudouridylation of U4393 of 28S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

time, a phenomenon known as "concerted transition". The allosteric isomerisation constant L describes the equilibrium between both states when no ligand...

Double Bond – an Unusual Type of Stereoisomerism, and an Unprecedented Isomerisation in a Bicyclobutane", Croatica Chemica Acta, vol. 77, no. 1–2, pp. 237–241...

pseudouridylation of U3823 of 28S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

pseudouridylation of U119 of 18S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

R, Feringa BL (June 2019). "Photoswitchable catalysis based on the isomerisation of double bonds". Chemical Communications. 55 (46): 6477–6486. doi:10...

pseudouridylation of U4938 of 28S ribosomal RNA (rRNA). Pseudouridylation is the isomerisation of the nucleoside uridine to the different isomeric form pseudouridine...

pseudouridylation of U4643 of 28S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine(Ψ)...

pseudouridylation of U649 of 18S ribosomal RNA (rRNA). Pseudouridylation is the isomerisation of the nucleoside uridine to the different isomeric form pseudouridine...

18S and U69 of 5.8S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

Cajal bodies and believed to be involved in the pseudouridylation (isomerisation of uridine to pseudouridine) of U5 spliceosomal RNA. scaRNAs are a specific...

U4373 and U4427 of 28S ribosomal RNA (rRNA). Pseudouridylation is the isomerisation of the nucleoside uridine to pseudouridine(Ψ). U65 is related to the...

35, then oxidation (tBuOK, (PhSeO)2O, THF) to the acyloin 36, then isomerisation (tBuOK) and acylation (Ac2O, DMAP, pyr) to 37, then oxidation at the...

pseudouridylation of U1664 of 28S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

pseudouridylation of U3823 of 28S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

to 4-hydroxybenzoate-CoA. Dienoyl-CoA isomerase, which catalyses the isomerisation of 3-trans,5-cis-dienoyl-CoA to 2-trans,4-trans-dienoyl-CoA. Naphthoate...

pseudouridylation of U3801 of 28S ribosomal RNA (rRNA). Pseudouridylation is the isomerisation (of the nucleoside uridine) to the different isomeric form pseudouridine...

ISBN 978-3-527-61710-4. Stütz, Arnold E., ed. (2001). Glycoscience Epimerisation, Isomerisation and Rearrangement Reactions of Carbohydrates. Berlin, Heidelberg: Springer-Verlag...

of preandiloid B to make preaniloid C. Next it causes a complex ring isomerisation to make anditomin. Anditomin can dissolve in ethyl acetate or chloroform...

pseudouridylation of residue U31 in U6 snRNA. Pseudouridylation is the isomerisation of the nucleoside uridine to the different isomeric form pseudouridine...

U822 and U686 of 18S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

Mia40 interacts with small Tim proteins via disulfide bonds. Following isomerisation of the disulfide bridge, the polypeptide is released. Mia40 which is...

U34 and U105 of 18S ribosomal RNA (rRNA). Pseudouridylation is the (isomerisation of the nucleoside uridine) to the different isomeric form pseudouridine...

dienes is manifested in the ability of iron carbonyls catalyse the isomerisations of 1,5-cyclooctadiene to 1,3-cyclooctadiene. Cyclohexadiene complexes...