Intermediates for production of 1,1-dioxopenicillanoyloxymethyl

Details Intermediates for production of 1,1-dioxopenicillanoyloxymethyl Intermediates for production of 1,1-dioxopenicillanoyloxymethyl

1982-09-29

1983-07-12

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602452R, 424271, C07D49932

Patent

active

043930018

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sup.1 is H or HO; Y and Z are each Cl, Br or I, or Y is H and Z is Cl, Br or I; Q is N.sub.3 or NHCO.sub.2 CH.sub.2 C.sub.6 H.sub.4 R.sup.4 where R.sup.4 is H, Cl, Br, NO.sub.2, CH.sub.3 or OCH.sub.3 ; a process for their use in production of the valuable antibacterial agents 1,1-dioxopenicillanoyloxymethyl 6-(2-amino-2-phenylacetamido)penicillanate and 1,1-dioxopenicillanoyloxymethyl 6-[2-amino-2-(p-hydroxyphenyl)acetamido]-penicillanate, by catalytic hydrogenation in the presence of a noble metal catalyst and novel intermediates useful in preparing said compounds of formula (I).

REFERENCES:
patent: 4234579 (1980-11-01), Barth
patent: 4244951 (1981-01-01), Bigham
patent: 4325960 (1982-04-01), Godtfredsen

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