Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1977-11-02
1979-12-11
Rollins, Alton D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07F 718
Patent
active
041782941
ABSTRACT:
p-Trimethylsilyloxy-D-(-)-phenylglycyloxysuccinimide or -phthalimide, process of preparing p-trimethylsilyloxy-D-(-)-phenylglycyloxysuccinimide or -phthalimide by reacting D-(-)-p-trimethylsilyloxyphenylglycin-N-carboxyanhydride with a N-hydroxyimide, and process for preparing 6-(p-hydroxyphenylglycylamido)-penam or 7-(p-hydroxyphenylglycylamido)-cephem compounds by reacting p-trimethylsilyloxy-D-(-)-phenylglycyloxysuccinimide or -phthalimide with a phosphite amide or an ester of 6-aminopenicillanic acid or of an ester of a 7-amino-3-cephem-4-carboxylic acid in the presence of the hydrochloride of a weak amine.
REFERENCES:
patent: 3317559 (1967-05-01), Anderson
patent: 3541084 (1970-11-01), Hagitani et al.
Novo Industri A/S
Rollins Alton D.
Springer D. B.
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