Search Results - "Ylijoki, Kai E. O."

[5 + 2] Cycloaddition Reactions in Organic and Natural Product Synthesis by Ylijoki, Kai E. O, Stryker, Jeffrey M

“…A study investigated [5+2] cyclodaddition reactions in organic and natural product synthesis. Data conclude that additional research on cycloadditoin should…”
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The preparation of 2H-1,4-benzoxazin-3-(4H)-ones via palladium-catalyzed intramolecular C-O bond formation by Ylijoki, Kai E O, Kündig, E Peter

“…Pd/PtBu(3)-catalyzed intramolecular C-O bond formation has been used to access aryl- and alkyl-substituted benzoxazinones…”
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A Density Functional Theory Investigation of the Cobalt-Mediated η5-Pentadienyl/Alkyne [5+2] Cycloaddition Reaction: Mechanistic Insight and Substituent Effects by Ylijoki, Kai E. O., Budzelaar, Peter H. M., Stryker, Jeffrey M.

“…Alkyl‐substituted η5‐pentadienyl half‐sandwich complexes of cobalt have been reported to undergo [5+2] cycloaddition reactions with alkynes to provide…”
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A Synthetic and Mechanistic Investigation of the Chromium Tricarbonyl-Mediated Masamune–Bergman Cyclization. Direct Observation of a Ground-State Triplet p-Benzyne Biradical by Ylijoki, Kai E. O, Lavy, Séverine, Fretzen, Angelika, Kündig, E. Peter, Berclaz, Théo, Bernardinelli, Gérald, Besnard, Céline

“…A new room-temperature chromium tricarbonyl-mediated cycloaromatization of enediynes is reported. The reaction occurs with both cyclic and acyclic enediynes in…”
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Catalytic ipso ‐Nitration of Organosilanes Enabled by Electrophilic N ‐Nitrosaccharin Reagent by Mosiagin, Ivan, Fernandes, Anthony J., Budinská, Alena, Hayriyan, Liana, Ylijoki, Kai E. O., Katayev, Dmitry

“…Abstract Nitroaromatic compounds represent one of the essential classes of molecules that are widely used as feedstock for the synthesis of intermediates, the…”
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Crystal structure of bis-(η 2 -ethyl-ene)(η 5 -penta-methyl-cyclo-penta-dien-yl)cobalt by Ramful, Chandika D, Robertson, Katherine N, Ylijoki, Kai E O

“…The title compound, [Co(C H )(C H ) ], was prepared by Na/Hg reduction of [Co (C H ) (μ-Cl) ] in THF under an ethyl-ene atmosphere and crystallized from…”
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[5 + 1 + 2 + 1] vs [5 + 1 + 1 + 2] Rhodium-Catalyzed Cycloaddition Reactions of Vinylcyclopropanes with Terminal Alkynes and Carbon Monoxide: Density Functional Theory Investigations of Convergent Mechanistic Pathways and Reaction Regioselectivity by Mbaezue, Ifenna I, Ylijoki, Kai E. O

“…The mechanism of the Rh-catalyzed [5 + 1 + 2 + 1] cycloaddition of VCPs, terminal alkynes, and CO to yield hydroxydihydroindanones has been investigated by…”
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The reaction path of cyclooctatetraene dimerization revisited by Castanedo, Lázaro A. M., Matta, Chérif F., Ylijoki, Kai E. O.

“…The electron density and the electron localization‐delocalization matrices (LDMs) are used to revisit the cyclooctetraene (COT) dimerization mechanism. The…”
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Computational Study of the Palladium-Catalyzed Carbonylative Synthesis of Aromatic Acid Chlorides: The Synergistic Effect of PtBu3 and CO on Reductive Elimination by Quesnel, Jeffrey S., Moncho, Salvador, Ylijoki, Kai E. O., Torres, Gerardo Martin, Brothers, Edward N., Bengali, Ashfaq A., Arndtsen, Bruce A.

“…We describe herein computational studies on the unusual ability of Pd(PtBu3)2 to catalyze formation of highly reactive acid chlorides from aryl halides and…”
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Catalytic ipso ‐Nitration of Organosilanes Enabled by Electrophilic N ‐Nitrosaccharin Reagent by Mosiagin, Ivan, Fernandes, Anthony J., Budinská, Alena, Hayriyan, Liana, Ylijoki, Kai E. O., Katayev, Dmitry

“…Abstract Nitroaromatic compounds represent one of the essential classes of molecules that are widely used as feedstock for the synthesis of intermediates, the…”
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Aza-oxindole synthesis via base promoted Truce-Smiles rearrangement by Dey, Chandan, Katayev, Dmitry, Ylijoki, Kai E O, Kündig, E Peter

“…A novel efficient NaOtBu-mediated protocol for the synthesis of 3,3-disubstituted aza-oxindoles proceeds via a Truce-Smiles rearrangement-cyclisation pathway…”
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Cobalt-Mediated η5‑Pentadienyl/Alkyne [5 + 2] Cycloaddition Reactions: Substitution Effects, Bicyclic Synthesis, and Photochemical η4‑Cycloheptadiene Demetalation by Ylijoki, Kai E. O, Kirk, Andrew D, Böcklein, Sebastian, Witherell, Ross D, Stryker, Jeffrey M

“…The preparation of seven-membered carbocycles via traditional organic synthesis is difficult, yet essential, due to the prevalence of these moieties in…”
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Crystal structure of ( S )- sec -butyl-ammonium l-tartrate monohydrate by Publicover, Ernlie A, Kolwich, Jennifer, Stack, Darcie L, Doué, Alyssa J, Ylijoki, Kai E O

“…The title hydrated mol-ecular salt, C H N ·C H O ·H O, was prepared by deprotonation of enanti-opure l-tartaric acid with racemic -butyl-amine in water. Only…”
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Crystal structure of ( S )- sec -butylammonium L -tartrate monohydrate by Publicover, Ernlie A., Kolwich, Jennifer, Stack, Darcie L., Doué, Alyssa J., Ylijoki, Kai E. O.

“…The title hydrated molecular salt, C 4 H 12 N + ·C 4 H 5 O 6 − ·H 2 O, was prepared by deprotonation of enantiopure L-tartaric acid with racemic sec…”
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Synthesis, Structure, and Reactivity of Alkyl-Substituted Half-Sandwich η5-Pentadienyl Complexes of Cobalt by Ylijoki, Kai E. O, Witherell, Ross D, Kirk, Andrew D, Böcklein, Sebastian, Lofstrand, Verner A, McDonald, Robert, Ferguson, Michael J, Stryker, Jeffrey M

“…Alkyl-substituted η5-pentadienyl complexes of cobalt have been reported to undergo [5 + 2] cycloaddition reactions with alkynes to form substituted η2,η3- and…”
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Cobalt-Mediated η5-Pentadienyl/Alkyne [5 + 2] Cycloaddition. Synthesis and Characterization of Unbridged η2,η3-Coordinated Cycloheptadienyl Complexes by Witherell, Ross D, Ylijoki, Kai E. O, Stryker, Jeffrey M

“…A general new metal-mediated [5 + 2] cycloaddition reaction of η5-pentadienyl cobalt complexes and alkynes is reported, the first such cycloaddition reaction…”
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7-(Biphenyl-4-yl)-6-hydroxyindan-1-one by McCoy, Ryan N., Robertson, Katherine N., Ylijoki, Kai E. O.

“…The title compound, C 21 H 16 O 2 , was isolated from the reaction of 1-(2-methoxyethoxy)-1-vinylcyclopropane, 4-ethynylbiphenyl, and CO in a [5 + 1 + 2 + 1]…”
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Synthesis of dihydroquinoxaline-2(1H)-ones via palladium-catalyzed intramolecular C–N bond formation by Areephong, Jetsuda, Huo, Bright, Mbaezue, Ifenna I., Ylijoki, Kai E.O.

“…[Display omitted] •Pd-catalyzed C–N coupling for heterocycle preparation.•NaI-catalyzed SN2 substitution with alkyl and aryl amine nucleophiles.•Divergent…”
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Cobalt-Mediated η 5 -Pentadienyl/Alkyne [5 + 2] Cycloaddition Reactions: Substitution Effects, Bicyclic Synthesis, and Photochemical η 4 -Cycloheptadiene Demetalation by Ylijoki, Kai E. O., Kirk, Andrew D., Böcklein, Sebastian, Witherell, Ross D., Stryker, Jeffrey M.

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Computational Study of the Palladium‐Catalyzed Carbonylative Synthesis of Aromatic Acid Chlorides: The Synergistic Effect of P t Bu 3 and CO on Reductive Elimination by Quesnel, Jeffrey S., Moncho, Salvador, Ylijoki, Kai E. O., Torres, Gerardo Martin, Brothers, Edward N., Bengali, Ashfaq A., Arndtsen, Bruce A.

“…Abstract We describe herein computational studies on the unusual ability of Pd(P t Bu 3 ) 2 to catalyze formation of highly reactive acid chlorides from aryl…”
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