The 146th Annual Meeting of the Pharmaceutical Society of Japan (Osaka)
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Session Details

Oral Presentation(A) Pharmaceutical Chemistry

[28-22-pm]Synthesis (incl. Total synthesis) 5

Sat. Mar 28, 2026 1:10 PM - 3:10 PM JST
Sat. Mar 28, 2026 4:10 AM - 6:10 AM UTC
Room 22 (2102)
Chair: Takeo Sakai, Tatsuo Saito
1:10 PM - 1:22 PM JST(4:10 AM - 4:22 AM UTC)

[28-22-pm01S]Total synthesis of dispyridine and dispyridine A

○Atsuhito Oe1, Toyonobu Usuki1 (1. Sophia Univ.)
1:22 PM - 1:34 PM JST(4:22 AM - 4:34 AM UTC)

[28-22-pm02S]Synthetic study on Nagelamide K

○Kosuke Tsunaka1, Yuki Kimura2,4, Ryuji Okamoto2, Ryota Sato3, Sangita Karanjit3, Kosuke Namba3,4 (1. Pharm. Sci. Tokushima Univ., 2. Grad. Sch. Pharm Sci. Tokushima Univ., 3. Grad. Sch. Biomed Sci. Tokushima Univ., 4. Grad. Sch. Sci. Osaka Univ.)
1:34 PM - 1:46 PM JST(4:34 AM - 4:46 AM UTC)

[28-22-pm03S]Synthetic study of 12-deoxyascididemin

○Arata Hamada1, Ryota Sato2, Kosuke Namba2,3 (1. Pharm. Sci. Tokushima Univ., 2. Grad. Sch. Biomed. Sci. Tokushima Univ., 3. Grad. Sch. Sci. The Univ. Osaka)
1:46 PM - 1:58 PM JST(4:46 AM - 4:58 AM UTC)

[28-22-pm04]Synthetic Study of Toussaintines C and H

○Tomohiro Tsutsumi1, Ichiro Hayakawa1 (1. Grad. Sch. Integrated Basic Sci., Nihon Univ.)
1:58 PM - 2:10 PM JST(4:58 AM - 5:10 AM UTC)

[28-22-pm05S]Total Synthesis of Antimalarial Meroterpenoid Furankenone

○Masahiro Iwahori1, Goh Sennari1,2, Toshiaki Sunazuka1,2, Tomoyasu Hirose1,2 (1. Grad. Sch. of Infect. Ctl. Sci., Kitasato Univ., 2. Ōmura Satoshi Memorial Inst., Kitasato Univ.)
2:10 PM - 2:22 PM JST(5:10 AM - 5:22 AM UTC)

[28-22-pm06S]Ring-size selective synthesis of β,γ-fused butenolides via butenolide functionalization

○Hwanhee Moon1, Ryuji Kouda1, Souhei Teshigawara1, Masahiro Yamanaka2, Tohru Nagamitsu1, Masaki Ohtawa2 (1. Sch. Pharm., Kitasato Univ., 2. Dept. Chem., Col. Sci., Rikkyo Univ.)
2:22 PM - 2:34 PM JST(5:22 AM - 5:34 AM UTC)

[28-22-pm07S]Heparosan Synthesis by Endocyclic Cleavage

○Hinako Imai1, Shino Manabe1,2 (1. Hoshi Univ., 2. Grad. Sch. Pharm. Sci., Tohoku Univ.)
2:34 PM - 2:46 PM JST(5:34 AM - 5:46 AM UTC)

[28-22-pm08S]Synthesis of dearomatized polyprenylated xanthonoids

○Mayuka Inoue1, Momoka Asano1, Marin Motohashi1, Ryoma Kobayashi1, Yutaro Udagawa1, Hikaru Yanai1, Takashi Matsumoto1 (1. School of Pharmacy, Tokyo Univ. Pharm. Life Sci.)
2:46 PM - 2:58 PM JST(5:46 AM - 5:58 AM UTC)

[28-22-pm09S]Synthesis and conformational studies of N-oxido-benzodiazepine derivatives

○Ryota Takano1, Ryoko Tanaka1, Kayo Nakamura1, Hidetsugu Tabata2, Tetsuta Oshitari2, Hideaki Natsugari3, Hideyo Takahashi1 (1. Graduate School of Pharmaceutical Sciences, Tokyo University of Science, 2. Faculty of Pharma-Science, Teikyo University, 3. Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Medical and Life Sciences)
2:58 PM - 3:10 PM JST(5:58 AM - 6:10 AM UTC)

[28-22-pm10S]Total Synthesis of Blespirol through Dual Routes Utilizing Rearrangement and CDC Reactions

○Ayane Maeda1, Kousuke Nakai2, Kyoka Kagawa2, Naoki Katsuki2, Ayumi Imayoshi2, Kazunori Tsubaki2 (1. Sch. Life Environ. Sci., Kyoto Prefectural Univ., 2. Grad. Sch. Life Environ. Sci., Kyoto Prefectural Univ.)
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