C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/310.5
C07D 277/40 (2006.01)
Patent
CA 1230343
23189-5570D Abstract of the Disclosure The invention relates to compounds of formula (III) Image wherein A is lower alkyl or unsubstituted phenyl and n is 1 or 2, and protected and reactive derivatives thereof. The compounds are valuable intermediates in the preparation of .beta.-lactam compounds having antibacterial activity. Le A 21 714-CA DIV I
512007
Boberg Michael
Metzger Karl G.
Zeiler Hans-Joachim
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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