Tetrahedron letters

An alternative synthesis of the 1-oxacephem skeleton

S Yamamoto, H Itani, H Takahashi, T Tsuji, W Nagata

Index: Yamomoto, Sadao; Itani, Hikaru; Takahashi, Hiroumi; Tsuji, Teruji; Nagata, Wataru Tetrahedron Letters, 1984 , vol. 25, # 40 p. 4545 - 4548

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Citation Number: 17

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... 1-Oxacephem skeletons were constructed in a convergent manner starting from building blocks and , which were easily prepared from penicillin and diketene, respectively, followed by intramolecular carbene insertion reaction of the resulting intermediate . ... 2 OH), 7.03 ( , 1H, Ph 2 ), ...