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Obituary
Zenichi Yoshida (1925-2023)
Zenichi Yoshida (1925-2023)
Professor. Zenichi Yoshida,
a member of the Honorary Advisors of HETEROCYCLES (1975-1998),
has passed away on May 4, 2023 at the age of 97.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
May 11, 2023
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Communication | Special issue | Vol 66, No. 1, 2005, pp.129-134
Published online, 14th October, 2005■ Synthetic Studies of Liposidomycin Degradation Product: Attempt for Introduction of an Uracil Group
Published online, 14th October, 2005
DOI: 10.3987/COM-05-S(K)47
■ Synthetic Studies of Liposidomycin Degradation Product: Attempt for Introduction of an Uracil Group
Shouhei Fukunishi, Makoto Ubukata, and Noriyuki Nakajima*
*Biotechnology Research Center, Toyama Prefectural University, 5180 Kurokawa, Kosugi, Toyama 939-0398
Abstract
Toward the synthesis of liposidomycin degradation product, the introduction of a uracil group was studied. In the presence of an N-methyl group on the diazepanone ring, the introduction of a uracil group failed. The O-nitrobenzenesulfonyl (Ns) protecting group played an important role for the introduction of a uracil group.
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