Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Oxidation of secondary alcohols to ketones"'
Autor:
Alejandro Presa Soto, Eva Hevia, Joaquín García-Álvarez, Francisco Morís, David Elorriaga, María J. Rodríguez-Álvarez, Javier González-Sabín, Nicolás Ríos-Lombardía
Publikováno v:
Chemical Communications. 56:8932-8935
A tandem protocol to access tertiary alcohols has been developed which combines the organocatalytic oxidation of secondary alcohols to ketones followed by their chemoselective addition by several RLi reagents. Reactions take place at room temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f231edc12419a3b44a4f3892a2a0c5c4
https://doi.org/10.1039/d0cc03768k
https://doi.org/10.1039/d0cc03768k
Autor:
Štefan Možina, Jernej Iskra
Publikováno v:
The Journal of Organic Chemistry. 84:14579-14586
Fluorinated alcohols as solvents strongly influence and direct chemical reaction through donation of strong hydrogen bonds while being weak acceptors. We used 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP) as the activating solvent for a nitric acid and Fe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d51f3e4f0104d857ffa307f14246189
https://doi.org/10.1021/acs.joc.9b02109
https://doi.org/10.1021/acs.joc.9b02109
Autor:
Ken-ichi Fujita, Yuhi Tanaka, Ryuichi Tamura, Ryohei Yamaguchi, Mitsuki Onoda, Masato Yoshida
Publikováno v:
ACS Catalysis. 7:7226-7230
A dicationic iridium complex bearing a bidentate ligand that comprises N-heterocyclic carbene and α-hydroxypyridine moieties has been designed and synthesized. The complex exhibited high catalytic performance in aqueous media for the dehydrogenative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b6e33fb73f855a1e89c146aab44aff3
https://doi.org/10.1021/acscatal.7b02560
https://doi.org/10.1021/acscatal.7b02560
Publikováno v:
Tetrahedron Letters. 58:2720-2722
A rapid (normally 20 min to 2 h) and selective oxidation of secondary alcohols to ketones can be achieved using 0.4 equivalents trichloroisocyanuric acid and 1.2 equivalents pyridine at room temperature in ethyl acetate. A likely mechanism for the re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c14c3fecc3555c879cfdcd7c83cb5faa
https://doi.org/10.1016/j.tetlet.2017.05.085
https://doi.org/10.1016/j.tetlet.2017.05.085
Publikováno v:
Organic Letters. 17:3326-3329
Photoinduced oxidation of secondary alcohols to ketones was achieved by utilizing an equimolar amount of 4-benzoylpyridine as an oxidant. This transformation proceeds at ambient temperature and exhibits high compatibility with polar functionalities i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a92bc9f60ba01784cdee8a4d8ccd3f4
https://doi.org/10.1021/acs.orglett.5b01550
https://doi.org/10.1021/acs.orglett.5b01550
Publikováno v:
Russian Journal of General Chemistry. 84:2021-2026
An efficient catalytic system salen-Mn(III)/NBS for oxidation of secondary alcohols to ketones by inexpensive and readily available oxidizing agent NaOCl has been developed. The process resulted in good to excellent yields under the action of 2 mol %
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b96fc0b870ef155f7d7755615ff8bcd
https://doi.org/10.1134/s1070363214100272
https://doi.org/10.1134/s1070363214100272
Autor:
Akhilesh R. Yadav, Ganapati D. Yadav
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 380:70-77
Selective oxidation of secondary alcohols to ketones using tert-butyl hydroperoxide was accomplished over active and reusable silver incorporated octahedral molecular sieve (Ag-OMS-2) catalyst. Different loadings of Ag (5–15% w/w) were incorporated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83eff6abcacc0eaf581f59f55df3b531
https://doi.org/10.1016/j.molcata.2013.09.018
https://doi.org/10.1016/j.molcata.2013.09.018
Publikováno v:
Advanced Synthesis & Catalysis. 352:2588-2598
Benzylic primary alcohols can be directly converted into symmetrical 1,3-diarylureas or substituted benzamides via an one-pot oxidative reaction using the combined reagent of phenyliodine diacetate and sodium azide. This new reaction constitutes a st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90fe7b8aeb33bc1d639b7ec563f5336c
https://doi.org/10.1002/adsc.201000318
https://doi.org/10.1002/adsc.201000318
Autor:
Raissa M. Trend, Brian M. Stoltz
Publikováno v:
Journal of the American Chemical Society. 130:15957-15966
The chiral ligand (-)-sparteine and PdCl(2) catalyze the enantioselective oxidation of secondary alcohols to ketones and thus effect a kinetic resolution. The structural features of sparteine that led to the selectivity observed in the reaction were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::274e82ee3f5649f02716b36913f3ca9a
https://doi.org/10.1021/ja804955e
https://doi.org/10.1021/ja804955e
Publikováno v:
Journal of Materials Chemistry. 15(41):4408-4413
A mesoporous silica containing gold nanoparticles (mpAu-SiO2) has been obtained by one pot synthesis, starting from tetraethylorthosilicate (TEOS) and colloidal gold particles (2-5 nm) stabilized with N-[3-(triethoxysilyl)propyl] O-2(dicetylmethylamm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d33fc95d89e82506b533cf431739e02a
https://doi.org/10.1039/b507418e
https://doi.org/10.1039/b507418e