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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 23, No. 11, 1985, pp.2769-2772
Published online, 1st January, 1970■ A Novel Thia[3,2]metacyclophan-ene with an Unexpected Preference for the Syn Conformation
Published online, 1st January, 1970
DOI: 10.3987/R-1985-11-2769
■ A Novel Thia[3,2]metacyclophan-ene with an Unexpected Preference for the Syn Conformation
Yee-Hing Lai*
*Department of Pharmacy, National University of Singapore, Lower Kent Ridge Road, 119260, Singapore
Abstract
Phenanthro(10,11-l)-2-thia[3.2]metacyclophan-10-ene 6 has been found by 1H NMR studies to exist in the unexpected syn conformation. Comparison with conformational barriers in related systems suggest the absence of ring flipping in 6.
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