Search Results - "Park, Bong Ser"

Photolysis dynamics of diastereoselectivity in the photocyclization of o-ethoxybenzophenone and o-2,2,2-trifluoroethoxybenzophenone by Kim, Hahkjoon, Park, Bong Ser, Jang, Du-Jeon

“…The photochemical reactions of o-ethoxybenzophenone (R-1) and o-2,2,2-trifluoroethoxybenzophenone (R-2) in cyclohexane solutions of 0.7M pyridine have been…”
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Effect of ortho-hydroxy substituent on photochemistry of 2-bromo-1-phenylalkan-1-ones: Remote bromine atom shift reaction by Shin, Ho Suk, Park, Bong Ser

“…Irradiation of 2-bromo-1-(2-hydroxy)phenylalkan-1-ones forms ring-brominated phenyl ketones, where bromine moves from the α-position of the carbonyl to the…”
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Photochemical coupling reaction of phenacyl benzoate with acetone to form 1,4‐dicarbonyl compound enabled by charge transfer by Shin, Ho Suk, Park, Bong Ser

“…Photolysis of phenacyl benzoates tethered with a phenol or anisole in acetone resulted in the formation of 1,4‐dicarbonyl compounds, coupling products of the…”
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Synthesis of α,β-dibromo ketones by photolysis of α-bromo ketones with N-bromosuccinimide: Photoinduced β-bromination of α-bromo ketones by Moon, Da Yoon, An, Sejin, Park, Bong Ser

“…Irradiation of α-bromopropiophenones in the presence of NBS results in the formation of α,β-dibromopropiophenones, which can be viewed as β-bromination of…”
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Solvent free, light induced 1,2-bromine shift reaction of α-bromo ketones by An, Sejin, Moon, Da Yoon, Park, Bong Ser

“…Photolysis of α-bromopropiophenones in acetonitrile results in formation of β-bromopropiophenones with good product selectivity, which can be coined as 1,2-Br…”
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New records for sterically congested stilbenes: (E)- and (Z)-1-(2,2-dimethyl-1-tetralinylidene)-2,2-dimethyltetralin by Gano, James E, Park, Bong Ser, Pinkerton, A. Alan, Lenoir, Dieter

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Leaving group effect on photochemistry of ortho-alkylphenacyl carboxylate by Kim, Seol Hee, Jang, Mi, Moon, Da Yoon, Park, Bong Ser

“…[Display omitted] •Leaving group effects on photochemistry of o-alkylphenacyl PPG.•Unique way to evaluate substituent effect on a reaction involving…”
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Stereoselectivity in o-Alkylphenyl Ketone Photochemistry:  How Many o-Xylylenes Can One Ketone Form? by Wagner, Peter J, Sobczak, Martin, Park, Bong-Ser

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High Diastereoselectivity in the Yang Photocyclization via Remote Hydrogen Abstraction Reaction by Jang, Mi, Park, Bong Ser

“…1‐Benzoyl‐1‐(o‐alkoxyphenyl)cyclopropanes undergo Yang photocyclization to form dihydrobenzo‐pyranols in a stereospecific manner. The cyclopropyl group at…”
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Conformational Control of Product Ratios from Triplet 1,5-Biradicals by Zand, Ali, Park, Bong-Ser, Wagner, Peter J

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The mechanism for the photocyclization of ortho-alkyl ketones to cyclobutenols by Wagner, Peter J., Subrahmanyam, D., Park, Bong Ser

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The photocyclization of o-alkoxy phenyl ketones by Wagner, Peter J, Meador, Michael A, Park, Bong Ser

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Unique solvent effect on photochemistry of ortho-alkylphenacyl benzoates by Park, Bong Ser, Ryu, Hyuk Jun

“…Photolysis of 2,4,6-trialkylphenacyl benzoates gives not only the corresponding indanones and benzoic acid, but also the corresponding benzocyclobutenols…”
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Chemical Kinetics of Consecutive and Parallel Reactions Both with a Reversible First Step by Park, Bong Ser, Park, Tae Jun

“…We solve the rate equations analytically for the first‐order consecutive reaction and the corresponding parallel reaction both with a reversible first step…”
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Photocyclization of 2,4,6,2',4',6'-Hexaalkylbenzils by Wagner, Peter J, Park, Bong-Ser, Sobczak, Martin, Frey, Joseph, Rappoport, Zvi

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The Power of Solvent in Altering the Course of Photorearrangements by Sebej, Peter, Lim, Bum Hee, Park, Bong Ser, Givens, Richard S, Klan, Petr

“…A clean bifurcation between two important photochemical reactions through competition of a triplet state Type II H-abstraction reaction with a photo-Favorskii…”
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Temperature dependent product distribution in photolysis of o-alkylphenacyl benzoates by Jang, Mi, Lim, Bum Hee, Ryu, Hyuk Jun, Park, Bong Ser

“…Photolysis of o-alkylphenacyl benzoates shows strong dependence on temperature in product distribution: ratios of benzocyclobutenols to indanones increase as…”
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Photocyclization of .alpha.-(o-tolyl)acetophenones: triplet and 1,5-biradical reactivity by Wagner, Peter J, Meador, Michael A, Zhou, Boli, Park, Bong Ser

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The Regioselectivity of Internal Hydrogen Abstraction by Triplet o-tert-Amylbenzophenone by Wagner, Peter J, Pabon, Raul, Park, Bong Ser, Zand, Ali R, Ward, Donald L

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2-Hydroxyphenacyl ester: a new photoremovable protecting group by Ngoy, Bokolombe Pitchou, Sebej, Peter, Solomek, Tomáš, Lim, Bum Hee, Pastierik, Tomáš, Park, Bong Ser, Givens, Richard S, Heger, Dominik, Klán, Petr

“…A 2-hydroxyphenacyl moiety absorbing below 370 nm is proposed as a new photoremovable protecting group for carboxylates and sulfonates. Laser flash photolysis…”
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