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Obituary
Yoshito Kishi (1937-2023)
Yoshito Kishi (1937-2023)
Professor. Yoshito Kishi,
a member of the Honorary Editorial Associates of HETEROCYCLES,
has passed away on January 9, 2023 at the age of 85.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
January 13, 2023
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Communication | Regular issue | Vol 2, No. 5, 1974, pp.621-624
Published online, 1st January, 1970■ Photochemical Synthesis of an Oxazolo[4,3-a]isoindole-1-spiro Ring System
Published online, 1st January, 1970
DOI: 10.3987/R-1974-05-0621
■ Photochemical Synthesis of an Oxazolo[4,3-a]isoindole-1-spiro Ring System
Hideo Nakai, Yasuhiko Sato, Hiroshi Ogiwara, Tomishige Mizoguchi, and Yuichi Kanaoka*
*Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan
Abstract
On irradiation certain N-β-sec-alkoxyalkyl-substituted phthalimides 6 afforded an oxazolo[4,3-a]isoindole-1-spiro ring system 7 in moderate yields demonstrating a photochemical synthesis of spiro heterocycles by utilizing the excited imide carbonyl.
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