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Eisaku Ohashi

3 results in Authors: Eisaku Ohashi

Organic Chemistry

An Effective Additive for Introducing the Triazole Unit of Ensitrelvir: Combination of LiCl and Et3N to Easily Generate Lithium Triazinolate

Eisaku Ohashi, Naoto Sahara, Yoichi Hirano, Masahiro Hosoya, Yusaku Takahashi, Naoki Tsuno

Version 1 posted 21 February 2023

366

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1

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Organic Chemistry

Development of a manufacturing process toward the convergent synthesis of the COVID-19 antiviral Ensitrelvir

Takahiro Kawajiri, Akihito Kijima, Atsuhiro Iimuro, Eisaku Ohashi, Katsuya Yamakawa, Kazushi Agura, Kengo Masuda, Kensuke Kouki, Koji Kasamatsu, Shuichi Yanagisawa, Sho Nakashima, Setsuya Shibahara, Takashi Toyota, Takafumi Higuchi, Takahiro Suto, Tadashi Oohara, Toshikatsu Maki, Naoto Sahara, Nobuaki Fukui, Hisayuki Wakamori, Hidaka Ikemoto, Hiroaki Murakami, Hiroyasu Ando, Masahiro Hosoya, Mizuki Sato, Yusuke Suzuki, Yuta Nakagawa, Yuto Unoh, Yoichi Hirano, Yoshitomo Nagasawa, Satoshi Goda, Takafumi Ohara, Takayuki Tsuritani

Version 1 posted 05 October 2022

915

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1

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Organic Chemistry

Development of a Manufacturing Process for S-892216 Part I: A Novel Method for Constructing a Multi-Substituted Barbiturate Skeleton for Scalable Synthesis

Naoto Sahara, Yoichi Hirano, Thien Phuc Le, Katsuya Yamakawa, Eisaku Ohashi, Satoru Shibuya, Kazuo Komano, Kiichiro Hirai, Moriyasu Masui, Go Kato, Takafumi Higuchi, Yuto Shimazaki, Takahiro Kawajiri, Tadashi Oohara, Naoki Tsuno, Takafumi Ohara

Version 1 posted 20 January 2025

299

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