3-(1-Halo-2-oxoethyl)cephalosporin intermediates

Details 3-(1-Halo-2-oxoethyl)cephalosporin intermediates 3-(1-Halo-2-oxoethyl)cephalosporin intermediates

1983-08-11

1985-11-19

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

544 24, 544 25, 544 28, C07D50124

Patent

active

045543500

ABSTRACT:
New cephalosporin derivatives of the formula: ##STR1## in which R is an amino-protecting radical, R' is a protected carboxyl radical, Hal is a halogen atom, R.sub.a, R.sub.b and R.sub.c are hydrogen atoms, or R.sub.a is a protected carboxyl radical and R.sub.b and R.sub.c, which are identical or different, are hydrogen atoms, or C.sub.1 -C.sub.4 alkyl radicals, or together form a C.sub.2 -C.sub.5 alkylene radical, and n=0 or 1, their isomeric forms and mixtures thereof, are useful for the preparation of cephalosporins which have antibacterial properties.

REFERENCES:
patent: 4415735 (1983-11-01), Farge et al.
Organic Chemistry by Hendrickson et al, p. 208.
Advanced Organic Chemistry, by J. March, pp. 86, 89, 105, and 113.

Affiliated with

Also associated with

Rating

3-(1-Halo-2-oxoethyl)cephalosporin intermediates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 3-(1-Halo-2-oxoethyl)cephalosporin intermediates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 3-(1-Halo-2-oxoethyl)cephalosporin intermediates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-84566