Harness for working animal
Patent
1975-07-03
1977-09-27
Rizzo, Nicholas S.
Harness for working animal
2602391, 544 21, C07D50102, C07D49904
Patent
active
040513203
ABSTRACT:
Process for preparing 7-alkoxy cephalosporins useful as intermediates for various cephalosporin or penicillin derivatives which comprises reacting 7-benzylideneaminocephem or 6-benzylideneaminopenam compounds with a halide cation-producing compound in the presence of an alcohol and a base capable of forming a salt with a phenolic hydroxyl group or converting a phenolic hydroxyl group to phenolate ion.
REFERENCES:
patent: 3843641 (1974-10-01), Christensen et al.
patent: 3867379 (1975-02-01), Dolfini et al.
patent: 4016155 (1977-04-01), Yanagisawa et al.
Ando Akiko
Fukushima Masami
Nakao Hideo
Yanagisawa Hiroaki
Rizzo Nicholas S.
Sankyo Company Limited
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