Works matching DE "KETALS"

Results: 72

Photocatalytic Synthesis of Acetals and Ketals from Aldehydes and Silylenolethers without the Use of Acids.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 13, p. 1, doi. 10.1002/chem.202203767

By:

Steuernagel, Desirée;
Wagenknecht, Hans‐Achim

Publication type:

Article

Photocatalytic Synthesis of Acetals and Ketals from Aldehydes and Silylenolethers without the Use of Acids.

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 13, p. 1, doi. 10.1002/chem.202203767

By:

Steuernagel, Desirée;
Wagenknecht, Hans‐Achim

Publication type:

Article

Front Cover: Photocatalytic Synthesis of Acetals and Ketals from Aldehydes and Silylenolethers without the Use of Acids (Chem. Eur. J. 13/2023).

Published in:

Chemistry - A European Journal, 2023, v. 29, n. 13, p. 1, doi. 10.1002/chem.202300235

By:

Steuernagel, Desirée;
Wagenknecht, Hans‐Achim

Publication type:

Article

Enantioselective Copper(I)-Catalyzed Alkynylation of Oxocarbenium Ions to Set Diaryl Tetrasubstituted Stereocenters.

Published in:

Angewandte Chemie, 2015, v. 127, n. 47, p. 14360, doi. 10.1002/ange.201507373

By:

Dasgupta, Srimoyee;
Rivas, Thomas;
Watson, Mary P.

Publication type:

Article

Catalytic Asymmetric Diels-Alder Reaction of Quinone Imine Ketals: A Site-Divergent Approach.

Published in:

Angewandte Chemie, 2015, v. 127, n. 15, p. 4700, doi. 10.1002/ange.201410957

By:

Takuya Hashimoto;
Hiroki Nakatsu;
Keiji Maruoka

Publication type:

Article

Divergent Total Syntheses of Lyconadins A and C.

Published in:

Angewandte Chemie, 2014, v. 126, n. 15, p. 4003, doi. 10.1002/ange.201400416

By:

Yang, Yang;
Haskins, Christopher W.;
Zhang, Wandi;
Low, Pui Leng;
Dai, Mingji

Publication type:

Article

Synthesis of Highly pH-Responsive Glucose Poly(orthoester).

Published in:

Angewandte Chemie, 2013, v. 125, n. 51, p. 13944, doi. 10.1002/ange.201306391

By:

Li, Lingyao;
Xu, Yi;
Milligan, Ian;
Fu, Liye;
Franckowiak, Emily A.;
Du, Wenjun

Publication type:

Article

Fused Spirocyclic Imidazolone Ketals.

Published in:

Angewandte Chemie, 2013, v. 125, n. 41, p. 11071, doi. 10.1002/ange.201305714

By:

Arduengo, Anthony J.;
Gurau, Gabriela;
Kelley, Steven P.;
Marshall, William J.;
Runyon, Jason W.

Publication type:

Article

Catalytic Conversion of Glucose to Levulinate Ester Derivative in Ethylene Glycol.

Published in:

BioResources, 2015, v. 10, n. 3, p. 4191, doi. 10.15376/biores.10.3.4191-4203

By:

Weiwei Hao;
Xing Tang;
Xianhai Zeng;
Yong Sun;
Shijie Liu;
Lu Lin

Publication type:

Article

Attempted [2]Catenane Synthesis via a Quasi[1]catenane by a Templated Backfolding Strategy.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 7, p. 874, doi. 10.1002/ejoc.201701325

By:

Steemers, Luuk;
Wanner, Martin J.;
van Leeuwen, Bart R. C.;
Hiemstra, Henk;
van Maarseveen, Jan H.

Publication type:

Article

An Efficient Coupling of p-Quinone Mono-Imine Ketals and Aryl/Alkyl Thiols: Rapid Synthesis of Biaryl/Aryl-Alkyl Sulfides.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 16, p. 2230, doi. 10.1002/ejoc.201700017

By:

Sharma, Arun;
Peddinti, Rama Krishna

Publication type:

Article

Total Synthesis of the Isoketal 5-D2-IsoK Natural Product Based on Organocatalysis.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 35, p. 5813, doi. 10.1002/ejoc.201601301

By:

Candy, Mathieu;
Durand, Thierry;
Galano, Jean‐Marie;
Oger, Camille

Publication type:

Article

FRET Pairs with Fixed Relative Orientation of Chromophores.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 26, p. 4476, doi. 10.1002/ejoc.201600489

By:

Wessig, Pablo;
Behrends, Nicole;
Kumke, Michael U.;
Eisold, Ursula

Publication type:

Article

Spiroketal Formation by Cascade Oxidative Dearomatization: An Approach to the Phorbaketal Skeleton.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 8, p. 1504, doi. 10.1002/ejoc.201501370

By:

Shirley, Harry J.;
Bray, Christopher D.

Publication type:

Article

Model Studies towards Functionalized Bisbenzannulated [5,6]-Spiroketals.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 8, p. 1555, doi. 10.1002/ejoc.201501586

By:

Wilsdorf, Michael;
Lentz, Dieter;
Reissig, Hans‐Ulrich

Publication type:

Article

Proline-Catalyzed Knoevenagel Condensation/[4+2] Cycloaddition Cascade Reaction: Application to Formal Synthesis of Averufin.

Published in:

European Journal of Organic Chemistry, 2015, v. 2015, n. 22, p. 4956, doi. 10.1002/ejoc.201500559

By:

Tan, Haibo;
Chen, Xinzheng;
Chen, Huiyu;
Liu, Hongxin;
Qiu, Shengxiang

Publication type:

Article

Shell Cross‐Linked Micelles as Nanoreactors for Enantioselective Three‐Step Tandem Catalysis.

Published in:

Chemistry - A European Journal, 2018, v. 24, n. 70, p. 18648, doi. 10.1002/chem.201804956

By:

Kuepfert, Michael;
Cohen, Aaron E.;
Cullen, Olivia;
Weck, Marcus

Publication type:

Article

Metal-free Hydroalkoxylation-Formal [4+2] Cycloaddition Cascade for the Synthesis of Ketals.

Published in:

Chemistry - A European Journal, 2017, v. 23, n. 42, p. 10007, doi. 10.1002/chem.201701659

By:

Gharpure, Santosh J.;
Nanda, Santosh K.;
Padmaja;
Shelke, Yogesh G.

Publication type:

Article

A Cascade 'Prins-Pinacol-Type Rearrangement and C4-OBn Participation' on Carbohydrate Substrates: Synthesis of Bridged Tricyclic Ketals, Annulated Sugars and C2-Branched Heptoses.

Published in:

Chemistry - A European Journal, 2016, v. 22, n. 51, p. 18383, doi. 10.1002/chem.201604902

By:

Rajasekaran, Parasuraman;
Singh, Govind Pratap;
Hassam, Mohammad;
Vankar, Yashwant D.

Publication type:

Article

A General Access to Propargylic Ethers through Brønsted Acid Catalyzed Alkynylation of Acetals and Ketals with Trifluoroborates.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 39, p. 13535, doi. 10.1002/chem.201502797

By:

Baxter, Matthew;
Bolshan, Yuri

Publication type:

Article

Organocatalytic Reactions of Indoles with Quinone Imine Ketals: An Alternative Metal-Free Approach to Bioactive meta-Indolylanilines.

Published in:

2015

By:

Jiang, Fei;
Zhang, Yu ‐ Chen;
Sun, Si ‐ Bing;
Zhou, Lu ‐ Jia;
Shi, Feng

Publication type:

Other

Sc(OTf)3‐Catalyzed Dearomative [3+2] Annulation of 5‐Aminoisoxazoles with Quinone Imine Ketals or Quinone Monoacetals.

Published in:

European Journal of Organic Chemistry, 2022, v. 2022, n. 18, p. 1, doi. 10.1002/ejoc.202200067

By:

Yan, Yingkun;
Li, Min;
Liu, Min;
Huang, Min;
Cao, Lianyi;
Li, Wenzhe;
Zhang, Xiaomei

Publication type:

Article

Domino Hydroalkoxylation‐[4+2]‐Cycloaddition for Stereoselective Synthesis of 1,4‐Heterocycle‐Fused Chromenes: Rapid Access to the [6‐6‐7‐6] Tetracyclic Core of Cytorhizhins B–D.

Published in:

European Journal of Organic Chemistry, 2020, v. 2020, n. 44, p. 6892, doi. 10.1002/ejoc.201901565

By:

Gharpure, Santosh J.;
Nanda, Santosh K.;
Fartade, Dipak J.;
Vishwakarma, Dharmendra S.

Publication type:

Article

Dynamic NMR study of dinitrophenyl derivatives of seven-membered cyclic ketals of pyridoxine.

Published in:

Magnetic Resonance in Chemistry, 2015, v. 53, n. 10, p. 805, doi. 10.1002/mrc.4251

By:

Rakhmatullin, Ilfat Z.;
Galiullina, Leisan F.;
Garipov, Marsel' R.;
Strel'nik, Alexey D.;
Shtyrlin, Yurii G.;
Klochkov, Vladimir V.

Publication type:

Article

Characterization of Substituted 1,3-Dioxolanes and 1,3-Dioxanes by Gas Chromatography–Mass Spectrometry.

Published in:

Journal of Analytical Chemistry, 2020, v. 75, n. 14, p. 1790, doi. 10.1134/S1061934820140087

By:

Eliseenkov, E. V.;
Zenkevich, I. G.

Publication type:

Article

Solventless synthesis of solketal with commercially available sulfonic acid based ion exchange resins and their catalytic performance.

Published in:

Green Processing & Synthesis, 2017, v. 6, n. 1, p. 79, doi. 10.1515/gps-2016-0105

By:

Esteban, Jesús;
García-Ochoa, Félix;
Ladero, Miguel

Publication type:

Article

Selective Mono‐allylation of 1,3‐Diketones and Their Use in the Synthesis of 3‐Allyl Chromones and Benzannulated 6,5‐Bicyclic Ketals.

Published in:

Chemistry - An Asian Journal, 2019, v. 14, n. 8, p. 1102, doi. 10.1002/asia.201801695

By:

Swaney, Brooke E.;
Gai, Sinan;
Clark, Mitchell R.;
Hawkins, Bill C.

Publication type:

Article

Magnetite nanoparticles catalyzed preparation of isatin ketals under solvent free conditions promoted by ultrasound irradiation.

Published in:

Arabian Journal of Chemistry, 2019, v. 12, n. 8, p. 2470, doi. 10.1016/j.arabjc.2015.04.002

By:

Khorshidi, Alireza;
Shariati, Shahab;
Rahimi, Parisa

Publication type:

Article

Environment friendly chemoselective deprotection of acetonides and cleavage of acetals and ketals in aqueous medium without using any catalyst or organic solvent.

Published in:

Journal of Chemical Sciences, 2013, v. 125, n. 6, p. 1493, doi. 10.1007/s12039-013-0514-7

By:

MUKHERJEE, S;
SENGUPTA, A;
ROY, S

Publication type:

Article

Biohydrocarbons Production under Standard Refinery Conditions by means of a Representative Ketal Compound of Biocrude.

Published in:

Energy Technology, 2017, v. 5, n. 3, p. 428, doi. 10.1002/ente.201600313

By:

Batalha, Nuno;
Pinto, Joana;
Ferreira, Heitor;
Baptista, Daniella C.;
Miranda, Leandro S. M.;
Pereira, Marcelo M.

Publication type:

Article

Conversion of propylene glycol-acetone mixture into 2,2,4-trimethyl-1,3-dioxolane over Dowex DR-2030 and ZrO2-SiO2 acid catalysts.

Published in:

Chemistry, Physics & Technology of Surface / Khimiya, Fizyka ta Tekhnologiya Poverhni, 2014, v. 5, n. 1, p. 42

By:

Sontsev, V. M.;
Brei, V. V.

Publication type:

Article

A General Metal‐Free Protocol for the Visible‐Light‐Driven Protection of Carbonyls.

Published in:

ChemSusChem, 2023, v. 16, n. 2, p. 1, doi. 10.1002/cssc.202201998

By:

Di Terlizzi, Lorenzo;
Galathri, Eirini M.;
Protti, Stefano;
Kokotos, Christoforos G.;
Fagnoni, Maurizio

Publication type:

Article

Gasoline from Biomass through Refinery-Friendly Carbohydrate-Based Bio-Oil Produced by Ketalization.

Published in:

ChemSusChem, 2014, v. 7, n. 6, p. 1627, doi. 10.1002/cssc.201301242

By:

Batalha, Nuno;
da Silva, Alessandra V.;
de Souza, Matheus O.;
da Costa, Bruna M. C.;
Gomes, Elisa S.;
Silva, Thiago C.;
Barros, Thalita G.;
Gonçalves, Maria L. A.;
Caramão, Elina B.;
dos Santos, Luciana R. M.;
Almeida, Marlon B. B.;
de Souza, Rodrigo O. M. A.;
Lam, Yiu L.;
Carvalho, Nakédia M. F.;
Miranda, Leandro S. M.;
Pereira, Marcelo M.

Publication type:

Article

Hydrolyzable Poly(β‐thioether ester ketal) Thermosets via Acyclic Ketal Monomers.

Published in:

Macromolecular Rapid Communications, 2022, v. 43, n. 24, p. 1, doi. 10.1002/marc.202200028

By:

Alameda, Benjamin M.;
Murphy, Joseph Scott;
Barea‐López, Bernardo L.;
Knox, Karly D.;
Sisemore, Jonathan D.;
Patton, Derek L.

Publication type:

Article

PLA‐Based Triblock Copolymer Micelles Exhibiting Dual Acidic pH/Reduction Responses at Dual Core and Core/Corona Interface Locations.

Published in:

Macromolecular Rapid Communications, 2018, v. 39, n. 24, p. N.PAG, doi. 10.1002/marc.201800477

By:

Bawa, Kamaljeet Kaur;
Jazani, Arman Moini;
Shetty, Chaitra;
Oh, Jung Kwon

Publication type:

Article

Practical Access to meta‐Substituted Anilines by Amination of Quinone Imine Ketals Derived from Anisidines: Efficient Synthesis of Anti‐Psychotic Drugs.

Published in:

Angewandte Chemie, 2023, v. 135, n. 21, p. 1, doi. 10.1002/ange.202301166

By:

Yadav, Naveen;
Taneja, Neha;
Musib, Dulal;
Hazra, Chinmoy Kumar

Publication type:

Article

Rhodium‐Catalyzed Asymmetric Arylation of Cyclobutenone Ketals.

Published in:

Angewandte Chemie, 2023, v. 135, n. 13, p. 1, doi. 10.1002/ange.202217381

By:

Egea‐Arrebola, David;
Goetzke, F. Wieland;
Fletcher, Stephen P.

Publication type:

Article

Concise and Efficient Synthesis of 3,7-Dioxo-5β-cholanic Acid via C3,C7-Selective Ketal Protection.

Published in:

Organic Preparations & Procedures International, 2017, v. 49, n. 2, p. 163, doi. 10.1080/00304948.2017.1291005

By:

Han, Young Taek;
Yun, Hwayoung

Publication type:

Article

One-pot Synthesis of Protected Alkylhydrazines from Acetals and Ketals. Scope and Limitations.

Published in:

Organic Preparations & Procedures International, 2015, v. 47, n. 6, p. 490, doi. 10.1080/00304948.2015.1088760

By:

Mastitski, Anton;
Niinepuu, Siret;
Haljasorg, Tõiv;
Järv, Jaak

Publication type:

Article

Two-step Synthesis of Solasodine Pivalate from Diosgenin Pivalate.

Published in:

Molecules, 2019, v. 24, n. 6, p. 1132, doi. 10.3390/molecules24061132

By:

Wojtkielewicz, Agnieszka;
Kiełczewska, Urszula;
Morzycki, Jacek W.

Publication type:

Article

Daphnauranins C–E, Three New Antifeedants from Daphne aurantiaca Roots.

Published in:

Molecules, 2018, v. 23, n. 10, p. 2429, doi. 10.3390/molecules23102429

By:

Huang, Sheng Zhuo;
Ma, Qing Yun;
Wang, Qi;
Dai, Hao Fu;
Liu, Yu Qing;
Zhou, Jun;
Zhao, You Xing

Publication type:

Article

Molecular Iodine-Catalyzed Synthesis of 3,3-Disubstituted Isatins: Total Synthesis of Indole Alkaloid, 3,3-Dimethoxy-2-oxindole.

Published in:

Chemistry (2624-8549), 2025, v. 7, n. 2, p. 43, doi. 10.3390/chemistry7020043

By:

Tokushige, Keisuke;
Asai, Shota;
Abe, Takumi

Publication type:

Article

Green Production of Glycerol Ketals with a Clay-Based Heterogeneous Acid Catalyst.

Published in:

Applied Sciences (2076-3417), 2019, v. 9, n. 21, p. 4488, doi. 10.3390/app9214488

By:

Amri, Sondes;
Gómez, Jaime;
Balea, Ana;
Merayo, Noemi;
Srasra, Ezzeddine;
Besbes, Néji;
Ladero, Miguel

Publication type:

Article

Crystal structure of (2-(chlorophenyl)-5-methyl-1,3-dioxane-5-carboxylato–κ2<italic>O,O′</italic>)(5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-κ4<italic>N</italic>,<italic>N′</italic>,<italic>N′′</italic>,<italic>N′′′</italic>)nickel(II) perchlorate monohydrate, Ni(C16H36N4)(C12H12O4Cl)ClO4⋅H2O

Published in:

Zeitschrift für Kristallographie / New Crystal Structures, 2018, v. 233, n. 3, p. 369, doi. 10.1515/ncrs-2017-0253

By:

Ou, Guang-Chuan;
Jia, Guo-Kai;
Zeng, Fei;
Tan, Ying-zhi;
Wang, Qiong

Publication type:

Article

Highly Acidic Conjugate‐Base‐Stabilized Carboxylic Acids Catalyze Enantioselective oxa‐Pictet–Spengler Reactions with Ketals.

Published in:

Angewandte Chemie, 2020, v. 132, n. 5, p. 2044, doi. 10.1002/ange.201912677

By:

Zhu, Zhengbo;
Odagi, Minami;
Zhao, Chenfei;
Abboud, Khalil A.;
Kirm, Helmi Ulrika;
Saame, Jaan;
Lõkov, Märt;
Leito, Ivo;
Seidel, Daniel

Publication type:

Article

Total Synthesis of Actinophyllic Acid.

Published in:

Angewandte Chemie, 2017, v. 129, n. 40, p. 12445, doi. 10.1002/ange.201706312

By:

Yoshii, Yu;
Tokuyama, Hidetoshi;
Chen, David Y.‐K.

Publication type:

Article

Unified Asymmetric Total Syntheses of (−)-Alotaketals A-D and (−)-Phorbaketal A.

Published in:

Angewandte Chemie, 2017, v. 129, n. 31, p. 9224, doi. 10.1002/ange.201704628

By:

Cheng, Hang;
Zhang, Zhihong;
Yao, Hongliang;
Zhang, Wei;
Yu, Jingxun;
Tong, Rongbiao

Publication type:

Article

A Highly Regioselective and Solvent-Free Sn(II)-Catalyzed Glycerol Ketals Synthesis at Room Temperature.

Published in:

Catalysis Letters, 2015, v. 145, n. 3, p. 769, doi. 10.1007/s10562-015-1477-8

By:

Silva, Márcio;
Oliveira Guimaraes, Matheus;
Julio, Armanda

Publication type:

Article

A New Polynitrogen‐Heterocyclic Scaffold 2,4,6,8‐Tetraazanoradamantane Skeleton: Synthesis and Conversion of Its Functionalities.

Published in:

Chinese Journal of Chemistry, 2023, v. 41, n. 7, p. 783, doi. 10.1002/cjoc.202200659

By:

Cai, Rongbin;
Li, Bing;
Hou, Tianjiao;
Zhou, Qi;
Liu, Yunzhi;
Li, Huan;
Gao, Yuan;
Zhu, Longyi;
Luo, Jun

Publication type:

Article

New approach to the synthesis of 1,3-dioxolanes.

Published in:

Russian Journal of Organic Chemistry, 2012, v. 48, n. 5, p. 638, doi. 10.1134/S1070428012050028

By:

Vol'eva, V.;
Belostotskaya, I.;
Malkova, A.;
Komissarova, N.;
Kurkovskaya, L.;
Usachev, S.;
Makarov, G.

Publication type:

Article