Academic Program [Oral A]

14. Organic Chemistry -Aromatic, Heterocyclic, and Heteroatom Compounds- » Oral A

[K703-4am] 14. Organic Chemistry -Aromatic, Heterocyclic, and Heteroatom Compounds-

Sat. Mar 25, 2023 9:00 AM - 11:30 AM K703 (K703, Lecture Hall Bldg. [7F])

Chair: Takeshi Fujita, Tomoko Yajima

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9:00 AM - 9:10 AM

[K703-4am-01] Phosphine-Catalyzed Z-Selective Carbofluorination of Alkynoates Using Acyl Fluorides

^○Shisato Yamamura¹, Namiki Takenaka¹, Hayato Fujimoto^1,2, Mamoru Tobisu^1,2 (1. Osaka University, 2. ICS-OTRI)

[Lang.] Japanese

9:10 AM - 9:20 AM

[K703-4am-02] Visible-Light-Induced Perfluoroalkylation of Phenols Catalyzed by Organic Dye

^○Chikako Sato¹, Haruko Shibata¹, Tomoko Yajima¹ (1. Ochanomizu University)

[Lang.] Japanese

9:20 AM - 9:30 AM

[K703-4am-03] Perfluoroalkylations of Aromatics with Photocatalyst to Lead Iodine and Cyclized Compounds Depending on the Reaction Conditions

^○Airi Yamaguchi¹, Tadashi Kanbara, Tomoko Yajima (1. Ochanomizu University)

[Lang.] Japanese

9:30 AM - 9:40 AM

[K703-4am-04] N,N’-Difluoro-2,2’-bipyridinium Bis(tetrafluoroborate) as a Terminal Oxidant for Iodoarene-catalyzed Fluorination

^○Tsugio Kitamura¹, Daichi Kitamura¹, Juzo Oyamada¹, Masahiro Higashi², Yosuke Kishikawa² (1. Saga University, 2. Daikin Industries, Ltd.)

[Lang.] Japanese

9:40 AM - 9:50 AM

[K703-4am-05] Ring-Opening Difluorination of Pyrazoloazines

^○Hugo OHKI¹, Masaaki KOMATSUDA¹, Hiroki KONDO¹, Junichiro YAMAGUCHI¹ (1. Waseda University)

[Lang.] Japanese

Break (9:50 AM - 10:00 AM)

10:00 AM - 10:10 AM

[K703-4am-06] Selective synthesis of bicyclic compounds containing a tetrafluoroethylene group via intramolecular Heck reaction

^○Mao Yamaguchi¹, Ken Tamamoto, Suguru Morishitabara, Shigeyuki Yamada¹, Tutomu Konnno¹ (1. Kyoto Institute of Technology, Faculty of Molecular Chemistry and Engineering)

[Lang.] Japanese

10:10 AM - 10:20 AM

[K703-4am-07] Electrophilic 5-endo-trig Cyclization of Siloxy-Substituted Difluoroallylic Ketones: Synthesis of Fluorofuranones

^○Nozomi Uzuhashi¹, Takeshi Fujita¹, Junji Ichikawa¹ (1. Univ. of Tsukuba)

[Lang.] Japanese

10:20 AM - 10:30 AM

[K703-4am-08] Base-Free 5-endo-trig Cyclization of β,β-Difluoro-α-silylstyrenes: Synthesis of 2-Fluoroindoles

^○Masaya Ishikawa¹, Kota Ichikawa¹, Takeshi Fujita¹, Junji Ichikawa¹ (1. Univ. of Tsukuba)

[Lang.] Japanese

10:30 AM - 10:40 AM

[K703-4am-09] Synthesis of 2-Difluoroethyl-1,3-benzoxazines via Regioselective Ring Opening of Difluorocyclopropanes

^○Taro Matsuo¹, Kohei Fuchibe¹, Junji Ichikawa¹ (1. Univ. of Tsukuba)

[Lang.] Japanese

Break (10:40 AM - 10:50 AM)

10:50 AM - 11:00 AM

[K703-4am-10] Enantioselective Fluorinative Dearomatization of Phenols using Novel Chiral Anion Dicarboxylate Phase-Transfer Catalyst

^○Yuki Matsubayashi¹, Mio Shimogaki¹, Morifumi Fujita¹, Yoshihiro Miyake¹ (1. University of Hyogo)

[Lang.] Japanese

11:00 AM - 11:10 AM

[K703-4am-11] Highly Enantioselective Dearomatizing Bromination of 2-Naphthols Using Organocatalysts Derived from Cinchona Alkaloids

^○Kouhei Omae¹, Mio Shimogaki¹, Morihumi Fujita¹, Yoshihiro Miyake¹ (1. University of Hyogo)

[Lang.] Japanese

11:10 AM - 11:20 AM

[K703-4am-12] para-selective iodination of electron rich phenols using 1,3-diiodo-5,5-dimethylhydantoin (DIH)

^○Weijie Cao¹, Takayoshi Arai¹ (1. Chiba University)

[Lang.] Japanese

11:20 AM - 11:30 AM

[K703-4am-13] Solvent Effects of Fluorinated Ionic Liquids on Photostability of Rhodamine Fluorophores

^○Kawano Yuki¹, Ishikawa Yuichi², Nishiguchi Hiroyasu³, Kitaoka Satoshi⁴, Nobuoka Kaoru² (1. Graduated School of Engineering, Oita University, 2. Faculty of Science Technology, Oita University, 3. Research Management Organization, Oita University, 4. Faculty of Engineering, Kinki University)

[Lang.] Japanese

Session information

[K703-4am] 14. Organic Chemistry -Aromatic, Heterocyclic, and Heteroatom Compounds-

[K703-4am-01] Phosphine-Catalyzed Z-Selective Carbofluorination of Alkynoates Using Acyl Fluorides

[K703-4am-02] Visible-Light-Induced Perfluoroalkylation of Phenols Catalyzed by Organic Dye

[K703-4am-03] Perfluoroalkylations of Aromatics with Photocatalyst to Lead Iodine and Cyclized Compounds Depending on the Reaction Conditions

[K703-4am-04] N,N’-Difluoro-2,2’-bipyridinium Bis(tetrafluoroborate) as a Terminal Oxidant for Iodoarene-catalyzed Fluorination

[K703-4am-05] Ring-Opening Difluorination of Pyrazoloazines

[K703-4am-06] Selective synthesis of bicyclic compounds containing a tetrafluoroethylene group via intramolecular Heck reaction

[K703-4am-07] Electrophilic 5-endo-trig Cyclization of Siloxy-Substituted Difluoroallylic Ketones: Synthesis of Fluorofuranones

[K703-4am-08] Base-Free 5-endo-trig Cyclization of β,β-Difluoro-α-silylstyrenes: Synthesis of 2-Fluoroindoles

[K703-4am-09] Synthesis of 2-Difluoroethyl-1,3-benzoxazines via Regioselective Ring Opening of Difluorocyclopropanes

[K703-4am-10] Enantioselective Fluorinative Dearomatization of Phenols using Novel Chiral Anion Dicarboxylate Phase-Transfer Catalyst

[K703-4am-11] Highly Enantioselective Dearomatizing Bromination of 2-Naphthols Using Organocatalysts Derived from Cinchona Alkaloids

[K703-4am-12] para-selective iodination of electron rich phenols using 1,3-diiodo-5,5-dimethylhydantoin (DIH)

[K703-4am-13] Solvent Effects of Fluorinated Ionic Liquids on Photostability of Rhodamine Fluorophores

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