Preparation of peptides and cephalosporins

Details Preparation of peptides and cephalosporins Preparation of peptides and cephalosporins

1975-09-22

1977-08-23

Phillips, Delbert R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260983, 544 21, 544 24, 544 26, 544 28, 544 29, 544 30, 544 16, C07C10352

Patent

active

040439917

ABSTRACT:
An improved process for producing a peptide and a cephalosporin which comprises treating a phosphoramide derivative of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group, and A.sub.1 is a peptide residue or a cephalosporin residue, with a phosphorus acid to produce a peptide or a cephalosporin of the formula A.sub.1 --NH.sub.2 wherein A.sub.1 is as hereinbefore defined.

REFERENCES:
patent: 3980644 (1976-09-01), Lunn
patent: 3998817 (1976-12-01), Fukumura et al.
Li et al., J. Am. Chem. Soc., 77, 1866-1870 (1955).

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