Dane salt and process for preparing aminopenicillins therefrom

Details Dane salt and process for preparing aminopenicillins therefrom Dane salt and process for preparing aminopenicillins therefrom

1979-04-20

1980-11-04

Breitenstein, G. T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26050111, 26050112, 2602391, 562426, 562437, C07C12160, C07D49900

Patent

active

042319544

ABSTRACT:
Amide-type Dane salts having the formula: ##STR1## wherein R is a group of the formula: ##STR2## wherein R.sub.2 is hydrogen and R.sub.3 is phenyl or substituted phenyl, R.sub.1 is cyano or nitro, and M is hydrogen, an alkali metal or a triloweralkylamine are disclosed, as well as a process for preparing .alpha.-aminopenicillins from these salts and 6-APA.

REFERENCES:
patent: 3316247 (1967-04-01), Fosker et al.
patent: 3325479 (1967-06-01), Fosker et al.
patent: 3406185 (1968-10-01), Patchett et al.
patent: 3576855 (1971-04-01), Duonch et al.
patent: 3654266 (1972-04-01), Robinson
patent: 3868364 (1975-02-01), Ishimaru et al.
patent: 4123611 (1978-10-01), Ishimaru et al.
patent: 4128547 (1978-12-01), van der Drift et al.
Ishimaru et al., Chem. Absts., 79, 78822(c), 1973.
Dane et al., Chem. Ber., 98, 789 (1965).
Laplex, Chem. Absts., 84, 44031(z), 1976.

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