Process and intermediates for production of 1,1-...

Details Process and intermediates for production of 1,1-... Process and intermediates for production of 1,1-...

C - Chemistry, Metallurgy

07

D

260/110

C07D 499/32 (2006.01) C07D 499/00 (2006.01) C07D 519/00 (2006.01)

Patent

CA 1213581

PROCESS AND INTERMEDIATES FOR PRODUCTION OF 1,1-DIOXOPENICILLANOYLOXYMETHYL 6-(2-AMINO-2-PHENYLACETAMIDO)PENICILLANATES Abstract Compounds of the formula Image wherein R1 is H or HO; Y and Z are each C1, Br or I, or Y is H and Z is C1, Br or I; Q is N3 or NHCO2CH2C6H4R4 where R4 is H, C1, Br, NO2, CH3 or OCH3; a process for their use in production of the valuable antibacterial agents 1,1-dioxopenicillanoyloxymethyl 6-(2-amino-2- phenylacetamido)penicillanate and 1,1-dioxopenicillanoyl- oxymethyl 6-[2-amino-2-(p-hydroxyphenyl)acetamido]- penicillanate, by catalytic hydrogenation in the presence of a noble metal catalyst and novel inter- mediates useful in preparing said compounds of formula (I).

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