C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/298.2
C07D 498/04 (2006.01)
Patent
CA 1089469
A B S T R A C T Compounds represented by the following formula prepared from 6-aminopenicillanic acid are key intermediates in a stereo-specific synthesis of 1-oxadethiacephalosporins, highly active antibiotics: Image wherein COA and COB is carboxy or protected carboxy.
340709
Nagata Wataru
Nishitani Yasuhiro
Tsuji Teruji
Yoshioka Mitsuru
Johnson Douglas S. Q.c.
Shionogi & Co. Ltd.
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