*  Novel System for Solid Catalyzed Isobutane/Olefin Alkylation | SBIR.gov
Isobutene/olefin alkylation is a major refinery process in which light hydrocarbons (isobutene and, mainly, C3 and C4 olefins) ... This project will develop a novel reactor approach to solid-catalyzed isobutene/olefin alkylation in which olefin ... polymerization at the catalytic surface is limited, thereby avoiding the primary issue with solid catalyzed alkylation. ...
  https://www.sbir.gov/sbirsearch/detail/279863
*  Jawaharlal Nehru Centre for Advanced Scientific Research
Redistribution of cations amongst different lattice sites in Cu1-xCoxFe2O4 ferrospinels during alkylation: magnetic study. , ...
  http://www.jncasr.ac.in/publications.php?&dept_id=&yeartype=2004&empid=1823&pubtype=
*  Saturated compound synthesis > By condensation of a paraffin molecule with an olefin-acting molecule, e.g., alkylation, etc. >...
Alkylation with separate alkylation of isobutane with pentenes. Jul. 15, 1997. 5649281. Alkylation with separate alkylation of ... Combination alkylation-reforming process. Aug. 8, 1978. 4086288. Acetylenes removal from olefin streams for alkylation by ... Maximization of isoparaffin utilization in alkylation of hydrocarbons. Apr. 14, 1981. 4249030. Alkylation process. Feb. 3, 1981 ... Process for the alkylation of olefins. Jul. 7, 1998. 5744686. Process for the removal of nitrogen compounds from an aromatic ...
  http://www.patentgenius.com/class/585/717.html
*  Indian Patents. 249480:'AN IMPROVED PROCESS FOR THE PREPARATION N2-ACETYL-9-(1,3-DIACETOXY-2-PROPOXYMETHYL) GUANINE--A USEFUL...
Alkylation is done in the presence of catalyst. Alkylation catalyst used in the reaction is selected from sulfuric acid, ... Alkylation reaction done in this mode gives better yield and quality of the desired N-9 isomer which not only reduces the cost ... Alkylation reaction is performed in an inert organic solvent followed by a suitable work up and crystallization of N-9 and N-7 ... Alkylation when performed below 100°C was completed in 30-45 hours and resulted in better yields of the desired N-9 isomer than ...
  http://www.allindianpatents.com/patents/249480-an-improved-process-for-the-preparation-n2-acetyl-9-1-3-diacetoxy-2-propoxymethyl-guanine-a-useful-intermediate-for-ganciclovir
*  Were found to alkylate all oxygens and nitrogens in nucleic acids | Cannabinoid receptor-cannabinoid-receptor.com
This buy Tubastatin-A raised the possibility that the specificity of bromomethylcoumarins in RNA alkylation may be modulated by ... This raised the possibility that the specificity of bromomethylcoumarins in RNA alkylation may be modulated by the coumarin ... In this study we discuss the differences in alkylation efficiency depending on the position and the character of the ... In this study we discuss the differences in alkylation efficiency depending on the position and the character of the ...
  http://www.cannabinoid-receptor.com/2017/07/12/were-found-to-alkylate-all-oxygens-and-nitrogens-in-nucleic-acids/
*  Brown Inst. Div, Alkylation Unit at Humble Oil & Refining Co, Baytown, Texas :: Robert Yarnall Richie Photograph Collection
Div of Alkylation Unit at Humble Oil & Refining Co. Baytown, Texas, 8-20, 58, RYR ... oil; petroleum; Gulf Coast; plants; alkylation; equipment; pipes; storage tanks; tanks; Honeywell Inc. Brown Instruments ...
  http://digitalcollections.smu.edu/cdm/singleitem/collection/ryr/id/832/rec/6
*  Noncanonical regulation of alkylation damage resistance by the OTUD4 deubiquitinase | The EMBO Journal
Alkylation damage resistance, which is critical in cancer chemotherapy, depends on the overexpression of alkylation repair ... Drablos F, Feyzi E, Aas PA, Vaagbo CB, Kavli B, Bratlie MS, Pena‐Diaz J, Otterlei M, Slupphaug G, Krokan HE (2004) Alkylation ... Duncan T, Trewick SC, Koivisto P, Bates PA, Lindahl T, Sedgwick B (2002) Reversal of DNA alkylation damage by two human ... Noncanonical regulation of alkylation damage resistance by the OTUD4 deubiquitinase. Yu Zhao, Mona C Majid, Jennifer M Soll, ...
  http://emboj.embopress.org/content/early/2015/05/05/embj.201490497
*  "Chapter 19 (Part 1): Enolate Reactions" by Mike A. Christiansen
... beta-alkylation, the aldol reaction, the Claisen condensation, the Robinson annulation, decarboxylation, and the malonic ester ... I'll talk about keto-enol tautomerism, LDA (lithium diisopropyl amine), alpha-halogenation, alkylation, acylation, ... I'll talk about keto-enol tautomerism, LDA (lithium diisopropyl amine), alpha-halogenation, alkylation, acylation, beta- ... alkylation, the aldol reaction, the Claisen condensation, the Robinson annulation, decarboxylation, and the malonic ester ...
  https://digitalcommons.usu.edu/ub_biochem/5/
*  Impact of Secondary Interactions in Asymmetric Catalysis
1. OH-Pd(0) Interaction as a Stabilizing Factor in Palladium-Catalyzed Allylic Alkylations. Open this publication in new window ... In palladium-catalyzed alkylations of allylic acetates with malonate as nucleophile, catalysts with oxazoline ligands bearing ... The first part revolves around the metal-catalyzed asymmetric allylic alkylation reaction and how interactions within the ... asymmetric catalysis, secondary interaction, hydrogen bond, chiral ligand, allylic alkylation, hydrosilylation, cyanation, ...
  http://kth.diva-portal.org/smash/record.jsf?pid=diva2:12045
*  Alkylation Catalysts Market Trends, Drivers, Strategies, Applications and Competitive Landscape 2021 | Business
Alkylation is the transfer of an alkyl group from one molecule to another. Alkylation of isobutane with olefins in the ... Alkylation Catalysts Industry report focuses on the major drivers and restraints for the key players. Alkylation Catalysts ... Chapters to deeply display the global Alkylation Catalysts market.. · To show the Alkylation Catalysts market by type and ... Alkylation Catalysts Market analysis is provided for global market including development trends by regions, competitive ...
  http://beforeitsnews.com/business/2016/12/alkylation-catalysts-market-trends-drivers-strategies-applications-and-competitive-landscape-2021-3068097.html
*  Alkylation - Wikipedia
... alkylation refers to a particular alkylation of isobutane with olefins. For upgrading of petroleum, alkylation produces ... In medicine, alkylation of DNA is used in chemotherapy to damage the DNA of cancer cells. Alkylation is accomplished with the ... In an oil refinery it is referred to as a sulfuric acid alkylation unit (SAAU) or a hydrofluoric alkylation unit, (HFAU). ... Methylation is distinct from alkylation in that it is specifically the transfer of one carbon, whereas alkylation can refer to ...
  https://en.wikipedia.org/wiki/Alkylation
*  Amine alkylation - Wikipedia
Key to the alkylation of alcohols is the use of catalysts that render the hydroxyl group a good leaving group. The largest ... Amine alkylation (amino-de-halogenation) is a type of organic reaction between an alkyl halide and ammonia or an amine. The ... N-alkylation is a general and useful route to quaternary ammonium salts from tertiary amines, because overalkylation is not ... Examples of N-alkylation with alkyl halides are the syntheses of benzylaniline, 1-benzylindole, and azetidine. Another example ...
  https://en.wikipedia.org/wiki/Amine_alkylation
*  Alkylation unit - Wikipedia
Lewis acids will catalyze the alkylation reaction (alkylation of isobutane with olefins was discovered using aluminum chloride ... Refineries examine whether it makes sense economically to install alkylation units. Alkylation units are complex, with ... Alkylation capacities world-wide Solid-acid alkylation process development is at crucial stage Sulphur recovery; (2007). The ... An alkylation unit is one of the conversion processes used in petroleum refineries. It is used to convert isobutane and low- ...
  https://en.wikipedia.org/wiki/Alkylation_unit
*  Fráter-Seebach alkylation - Wikipedia
In organic chemistry, the Fráter-Seebach alkylation (also known as Seebach-Fráter alkylation or Fráter-Seebach reaction) is a ... Fráter, G.; Müller, U.; Günther, W. (1984). "The stereoselective α-alkylation of chiral β-hydroxy esters and some applications ... diastereoselective alkylation of chiral beta-hydroxy esters using strong bases. The reaction was first published by G. Fráter ...
  https://en.wikipedia.org/wiki/Fr%C3%A1ter%E2%80%93Seebach_alkylation
*  Stork enamine alkylation - Wikipedia
A New Method for the Alkylation of Ketones and Aldehydes: the C-Alkylation of the Magnesium Salts of N-Substituted Imines ... The Stork enamine alkylation, involves the addition of an enamine to an alpha, beta-unsaturated carbonyl acceptor in a process ...
  https://en.wikipedia.org/wiki/Stork_enamine_alkylation
*  Alkylation | petrochemical process | Britannica.com
Alkylation, in petroleum refining, chemical process in which light, gaseous hydrocarbons are combined to produce high-octane ... More About Alkylation. 2 references found in Britannica articles. Assorted References. *petroleum refining* In gasoline ... Alkylation, in petroleum refining, chemical process in which light, gaseous hydrocarbons are combined to produce high-octane ... Alkylation units were installed in petroleum refineries in the 1930s, but the process became especially important during World ...
  https://www.britannica.com/technology/alkylation-petrochemical-process
*  Enders SAMP/RAMP hydrazone-alkylation reaction - Wikipedia
Myers' asymmetric alkylation Stork enamine alkylation Enders' reagents Hajos-Parrish-Eder-Sauer-Wiechert reaction Corey, E. J ... Stork, G.; Dowd, S. R. (1996). "A New Method for the Alkylation of Ketones and Aldehydes: the C-Alkylation of the Magnesium ... The apparent shortcoming for enolate alkylation reactions is over-alkylation, even if the amount of base added for enolization ... In 1963, G. Stork reported the first enamine alkylation reaction for ketones - Stork enamine alkylation reaction. In 1976, ...
  https://en.wikipedia.org/wiki/Enders_SAMP/RAMP_hydrazone-alkylation_reaction
*  Palladium asymmetric allylic alkylation o... & related info | Mendeley
A palladium-catalyzed asymmetric allylic alkylation (AAA) is used to set the spiro(pyrrolidine-oxindo... ... A palladium-catalyzed asymmetric allylic alkylation (AAA) is used to set the spiro(pyrrolidine-oxindole) stereogenic center. ...
  https://www.mendeley.com/research-papers/palladium-asymmetric-allylic-alkylation-prochiral-nucleophiles-horsfiline/
*  Patent US6376729 - Multi-phase alkylation process - Google Patents
The output from the first alkylation reaction zone is supplied, at least in part, to a second alkylation zone which is operated ... by the gas phase alkylation of benzene over a molecular sieve aromatic alkylation catalyst followed by liquid phase alkylation ... A feedstock containing benzene and ethylene is supplied to a first alkylation reaction zone containing a molecular sieve ... aromatic alkylation catalyst. The reaction zone is operated at temperature and pressure conditions to cause gas phase ...
  http://www.google.com.au/patents/US6376729
*  Hengli Petrochemical Company Selects DuPont Clean Technologies for the Alkylation Complex
DuPont is committed to alkylation research and has extensive experience in assisting refiners with alkylation research, design ... STRATCO® alkylation technology is licensed and marketed by DuPont as part of its Clean Technologies portfolio in Overland Park ... DuPont is the world leader in alkylation technology with over 90 units licensed and with more than 800,000 BPSD (31,400 kmta) ... As part of DuPont's commitment to innovation, the alkylation unit at Hengli will utilize the patented XP2 technology in the ...
  http://www.prweb.com/releases/dupont-clean-technologies/stratco-hengli-petrochem/prweb13253380.htm
*  The Induction of Resistance to Alkylation Damage in Mammalian Cells | SpringerLink
Adaptive Response Sister Chromatid Exchange GM637 Cell Methyl Guanine Alkylation Damage This is a preview of subscription ... Samson L., Schwartz J.L. (1983) The Induction of Resistance to Alkylation Damage in Mammalian Cells. In: Lawrence C.W. (eds) ... Loveless, A: Possible relevance of 0-6 alkylation of deoxyguanosine to the mutagenicity and carcinogenicity of nitrosamines and ...
  https://link.springer.com/chapter/10.1007/978-1-4684-4382-0_12
*  EPO - T 1245/09 (Gasoline hydroisomerization/alkylation/UOP) of 20.9.2011
D8: STRATCO, The 1990 Alkylation Seminar: K. Masters, Amylene Alkylation. D9: NPRA Q&A Sessions: C5 alkylation questions (from ... In addition, under the heading 'alkylation pretreatment' on page 3 of D7, reference is made to 'hydrotreating alkylation ... Alkylation pretreatment' and the further chapter 'TAME feedstock pretreatment'. Alkylation and TAME production are therefore ... T 1245/09 (Gasoline hydroisomerization/alkylation/UOP) of 20.9.2011. European Case Law Identifier:. ECLI:EP:BA:2011: ...
  http://www.epo.org/law-practice/case-law-appeals/recent/t091245eu1.html
*  Alkylation for Motor Fuels - Chemical production and investment cost | IHS Markit
Reports emphasize developments in process technology for Alkylation for Motor Fuels that have potential implications for the ... Solid catalyst alkylation processes are being researched as a response to the potential ban of HF acid use because of ... Alkylation has become an important refinery process because of increasing demand for high octane and low vapor pressure ... The flexibility of alkylation in producing a high quality gasoline blending component is evaluated for three types of ...
  https://www.ihs.com/ja/products/chemical-technology-pep-alkylation-for-motor-fuels-1993.html