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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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Paper | Regular issue | Vol 32, No. 7, 1991, pp.1351-1356
Published online, 1st January, 1970■ A Convenient Synthesis of Adenosine 3’,5’-Cyclic Phosphate (cAMP) Benzyl and Methyl Triesters
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5750
■ A Convenient Synthesis of Adenosine 3’,5’-Cyclic Phosphate (cAMP) Benzyl and Methyl Triesters
Shigehiro Kataoka,* Riichiro Uchida, and Nobuyuki Yamaji
*Research and Development Division, Kikkoman Corporation, 399 Noda, Noda-shi, Chiba 278, Japan
Abstract
The benzyl and methyl triesters of cAMP were synthesized from cAMP tri-n-butylammonium salt by alkylation with alkyl halides in the presence of Na2CO3 in dimethylacetamide (DMA).
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