Palladium-Catalyzed Asymmetric Allylic Alkylation of 2,3-Allenyl Acetates Using a Chiral Diaminophosphine Oxide - Nemoto - 2009...Palladium-Catalyzed Asymmetric Allylic Alkylation of 2,3-Allenyl Acetates Using a Chiral Diaminophosphine Oxide - Nemoto - 2009...

The asymmetric allylic alkylations proceeded in the presence of a catalytic amount of lithium acetate at 4 °C, affording the ... Palladium-Catalyzed Asymmetric Allylic Alkylation of 2,3-Allenyl Acetates Using a Chiral Diaminophosphine Oxide. Authors. *. ... An enantioselective synthesis of allenes through palladium-catalyzed asymmetric allylic alkylation using a chiral ... From carbopalladation/allylic alkylation domino sequence to decarboxylative allenylation, Journal of Organometallic Chemistry, ...
more infohttp://onlinelibrary.wiley.com/doi/10.1002/adsc.200900151/full

CiNii Articles - 
 		
			Comparative analysis of DNA alkylation by conjugates between pyrrole-imidazole hairpin polyamides...CiNii Articles - Comparative analysis of DNA alkylation by conjugates between pyrrole-imidazole hairpin polyamides...

Denaturing PAGE analysis revealed that DNA alkylation activity of polyamide-seco-CBI conjugate 5 was similar to that of ... Comparative analysis of DNA alkylation by conjugates between pyrrole-imidazole hairpin polyamides and chlorambucil or seco-CBI ... We investigated sequence-specific DNA alkylation using conjugates between the N-methylpyrrole (Py)-N-methylimidazole (Im) ...
more infohttps://ci.nii.ac.jp/naid/120001887644/en/

Alkylation - WikipediaAlkylation - 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 ...
more infohttps://en.wikipedia.org/wiki/Alkylation

Amine alkylation - WikipediaAmine 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 ...
more infohttps://en.wikipedia.org/wiki/Amine_alkylation

Alkylation | petrochemical process | BritannicaAlkylation | petrochemical process | Britannica

Alkylation, in petroleum refining, chemical process in which light, gaseous hydrocarbons are combined to produce high-octane ... 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 ... molecules in the gasoline range; alkylation, a process combining an olefin and a paraffin such as isobutane; isomerization, the ...
more infohttps://www.britannica.com/technology/alkylation-petrochemical-process

Alkylation - WikipediaAlkylation - Wikipedia

C-alkylationEdit. C-alkylation is a process for the formation of carbon-carbon bonds. For alkylation at carbon, the ... alkylation refers to a particular alkylation of isobutane with olefins. For upgrading of petroleum, alkylation produces a ... N-and P-alkylationEdit. N- and P-alkylation are important processes for the formation of carbon-nitrogen and carbon-phosphorus ... In medicine, alkylation of DNA is used in chemotherapy to damage the DNA of cancer cells. Alkylation is accomplished with the ...
more infohttps://en.m.wikipedia.org/wiki/Alkylated

Alkylation Reagents - Derivatization Reagents | Sigma-AldrichAlkylation Reagents - Derivatization Reagents | Sigma-Aldrich

Browse Sigma-Aldrichs Alkylation Reagents to find products in DMF-Dialkylacetals, Diazoalkales, Esterification Reagents, ... USA Home > Product Directory > Analytical/Chromatography > Analytical Reagents > Derivatization Reagents > Alkylation Reagents ...
more infohttps://www.sigmaaldrich.com/analytical-chromatography/analytical-products.html?TablePage=9641921

Palladium asymmetric allylic alkylation o... & related info | MendeleyPalladium 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. ...
more infohttps://www.mendeley.com/research-papers/palladium-asymmetric-allylic-alkylation-prochiral-nucleophiles-horsfiline/

Patent US6376729 - Multi-phase alkylation process - Google PatentsPatent 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 ...
more infohttp://www.google.com.au/patents/US6376729

Global Alkylation Catalyst Market Analysis By Application 2025Global Alkylation Catalyst Market Analysis By Application 2025

... , Top Key Players Albemarle, BASF, CRI, Sinopec - published on ... 1 Alkylation Catalyst Market Overview. 1.1 Product Overview and Scope of Alkylation Catalyst. 1.2 Alkylation Catalyst Segment ... 1.4 Global Alkylation Catalyst Market Size. 1.4.1 Global Alkylation Catalyst Revenue (2014-2025). 1.4.2 Global Alkylation ... 1.3 Global Alkylation Catalyst Market by Region. 1.3.1 Global Alkylation Catalyst Market Size Region. 1.3.2 North America ...
more infohttps://www.openpr.com/news/1710518/global-alkylation-catalyst-market-analysis-by-application-2025-top-key-players-albemarle-basf-cri-sinopec.html

Arylamine synthesis by amination (alkylation)Arylamine synthesis by amination (alkylation)

An easy Pd-mediated oxidation of primary amines to imines followed by aniline addition enables an alkylation of anilines. The ... Well-defined Co(II) complexes stabilized by a PCP ligand catalyze efficient alkylations of aromatic amines by primary alcohols ... The addition of 4 molecular sieves enables an efficient cobalt(II)-catalyzed N-alkylation of both aromatic and aliphatic amines ... A base-catalyzed/promoted transition-metal-free direct alkylation of amines with either aromatic or aliphatic alcohols provides ...
more infohttps://www.organic-chemistry.org/synthesis/C1N/amines/arylamines2.shtm

Hengli Petrochemical Company Selects DuPont Clean Technologies for the Alkylation ComplexHengli 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 DuPonts commitment to innovation, the alkylation unit at Hengli will utilize the patented XP2 technology in the ...
more infohttp://www.prweb.com/releases/dupont-clean-technologies/stratco-hengli-petrochem/prweb13253380.htm

Oligomerisation and alkylation reaction... - Registration Dossier - ECHAOligomerisation and alkylation reaction... - Registration Dossier - ECHA

Repeated dose toxicity information is available from an oral sub-chronic toxicity study (OECD 408 - Repeated Dose 90-day Oral Toxicity Study in Rodents, see below). For inhalation exposure, route-to-route extrapolation is applied. The dose descriptor starting point is converted into the modified dose descriptor starting point using the following equation (see Guidance IR&CSA Chapter R.8, Figure R. 8-3, p 21): correctedinhalatory NOAEC = oral NOAEL x 1 / 0.38 (m³ / kg / d) x (Absoral-rat /Absinh-human) x 6.7 m³ (RV: 8h, standard) / 10 m³ (RV: 8h, light work) = 40 x 1/0.38 x 0.5/1 x 6.7/10 = 35.26 mg/m³ ...
more infohttps://echa.europa.eu/registration-dossier/-/registered-dossier/15799/7/1

Oligomerisation and alkylation reaction... - Registration Dossier - ECHAOligomerisation and alkylation reaction... - Registration Dossier - ECHA

The value derived for Henrys Law constant H relates to the properties of the substance oligomerisation and alkylation reaction ... related to the vapour pressure and water solubility of the substance oligomerisation and alkylation reaction products of 2- ...
more infohttps://echa.europa.eu/registration-dossier/-/registered-dossier/15799/5/5/3

Transition-Metal-Catalyzed C-H Alkylation Using Alkenes | RTITransition-Metal-Catalyzed C-H Alkylation Using Alkenes | RTI

This Review summarizes transition-metal-catalyzed alkylations of various ... the use of unactivated olefins for alkylations has become attractive from both cost and sustainability viewpoints. ... Alkylation reactions represent an important organic transformation to form C-C bonds. In addition to conventional approaches ... According to the mode of activation, the Review is divided into two sections: alkylation via C-H activation and alkylation via ...
more infohttps://www.rti.org/publication/transition-metal-catalyzed-c%E2%80%93h-alkylation-using-alkenes

Substituted carboxylic compound synthesis by C-alkylationSubstituted carboxylic compound synthesis by C-alkylation

This presents a convenient and environmentally benign protocol for α-alkylation of amides.. L. Guo, Y. Liu, W. Yao, Y. Leng, Z ... An effective and robust iridium pincer complex achieves a selective α-alkylation of tertiary and secondary acetamides involving ... A manganese-catalyzed C-alkylation of carboxylic acid derivatives with alcohols operates via hydrogen autotransfer and ideally ... cobalt complexes stabilized with pincer ligands catalyze especially challenging alkylations of unactivated esters and amides ...
more infohttps://www.organic-chemistry.org/synthesis/C1C/carboxyls/alkylations.shtm

The Induction of Resistance to Alkylation Damage in Mammalian Cells | SpringerLinkThe 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 ...
more infohttps://link.springer.com/chapter/10.1007/978-1-4684-4382-0_12

EPO - T 1245/09 (Gasoline hydroisomerization/alkylation/UOP) of 20.9.2011EPO - 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: ...
more infohttp://www.epo.org/law-practice/case-law-appeals/recent/t091245eu1.html

Novel System for Solid Catalyzed Isobutane/Olefin Alkylation | SBIR.govNovel 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. ...
more infohttps://www.sbir.gov/sbirsearch/detail/279863

Alkylation for Motor Fuels - Chemical production and investment cost | IHS MarkitAlkylation 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 ...
more infohttps://www.ihs.com/ja/products/chemical-technology-pep-alkylation-for-motor-fuels-1993.html

Benzene alkylationBenzene alkylation

Share Benzene alkylation with a colleague. From (your name so they know who the message is from). This field is required ...
more infohttps://www.exxonmobilchemical.com/en/products-and-services/technology-licensing-and-services/benzene-alkylation

Metal cation-modified alkylation catalysts - Patent # 5849977 - PatentGeniusMetal cation-modified alkylation catalysts - Patent # 5849977 - PatentGenius

... alkylation conditions in the presence of a novel catalyst comprising: a) a refractory inorganic oxide, b) the reaction product ... A process for the alkylation of alkenes having from 2 to 6 carbon atoms with an alkane having from 4 to 6 carbon atoms to ... The alkylation of olefins is catalyzed by strong acids generally. Although such alkylation has been the focus of intense and ... Although the terms "cracking" and "selectivity" in the context of paraffin alkylation, and especially in motor fuel alkylation ...
more infohttp://www.patentgenius.com/patent/5849977.html

Regioselective ketone α-alkylation with simple olefins via dual activation | ScienceRegioselective ketone α-alkylation with simple olefins via dual activation | Science

Regioselective ketone α-alkylation with simple olefins via dual activation Message Subject. (Your Name) has forwarded a page to ...
more infohttp://science.sciencemag.org/content/345/6192/68/tab-e-letters

Microwave assisted N-alkylation of amine functionalized crystal-like mesoporous phenylene-silica.  - PubMed - NCBIMicrowave assisted N-alkylation of amine functionalized crystal-like mesoporous phenylene-silica. - PubMed - NCBI

Microwave assisted N-alkylation of amine functionalized crystal-like mesoporous phenylene-silica.. Lourenço MA1, Siegel R, ... N-alkylation reaction of amine functionalized phenylene moieties in crystal-like mesoporous silica is successfully achieved ...
more infohttps://www.ncbi.nlm.nih.gov/pubmed/23508286?dopt=Abstract

Regioselective ketone α-alkylation with simple olefins via dual activation | ScienceRegioselective ketone α-alkylation with simple olefins via dual activation | Science

Regioselective ketone α-alkylation with simple olefins via dual activation Message Subject. (Your Name) has forwarded a page to ... Alkylation of carbonyl compounds is a commonly used carbon-carbon bond-forming reaction. However, the conventional enolate ... Here, we describe development of a ketone-alkylation strategy using simple olefins as the alkylating agents. This strategy ... alkylation approach remains problematic due to lack of regioselectivity, risk of overalkylation, and the need for strongly ...
more infohttps://science.sciencemag.org/content/345/6192/68.abstract