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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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Report | Regular issue | Vol 22, No. 5, 1984, pp.1133-1135
Published online, 1st January, 1970■ Novel Rearangement of N’-Alkyl-N-alkyl-N-[2-(4-pyridinyl)-4-pyrimidinyl]ureas with Sodium Hydride
Published online, 1st January, 1970
DOI: 10.3987/R-1984-05-1133
■ Novel Rearangement of N’-Alkyl-N-alkyl-N-[2-(4-pyridinyl)-4-pyrimidinyl]ureas with Sodium Hydride
Baldev Singh* and George Y. Lesher
*Sterling Winthrop Pharmaceuticals Research Division, Rensselaer, New York, 12144, U.S.A.
Abstract
Treatment of N’-alkyl-N-alkyl-N-[ 2-(4-pyridinyl)4-pyrimidinyl]ureas with sodium hydride in dimethylformamide gave mixtures of two N-alkyl-2-(4-pyridinyl)-4-pyrimidinamines.
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