Tetrahedron Letters p. 4545 - 4548 (1984)
Update date:2022-09-26
Topics: Hydrolysis Thiol Deprotection Carboxylic acid
Yamomoto, Sadao
Itani, Hikaru
Takahashi, Hiroumi
Tsuji, Teruji
Nagata, Wataru
1-Oxacephem skeletons were constructed in a convergent manner starting from building blocks B and C, which were easily prepared from penicillin and diketene, respectively, followed by intramolecular carbene insertion reaction of the resulting intermediate
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