34959-72-3

Basic information

• Product Name: (6R,7R,4'R)-7-(2',2'-dimethyl-3'-nitroso-5'-oxo-4'-phenylimidazolidin-1'-yl)-3-methylceph-3-em-4-carboxylate
• Synonyms: (6R,7R,4'R)-7-(2',2'-dimethyl-3'-nitroso-5'-oxo-4'-phenylimidazolidin-1'-yl)-3-methylceph-3-em-4-carboxylate
• CAS NO: 34959-72-3
• Molecular Weight: 416.458
• Mol File: 34959-72-3.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: (6R,7R,4'R)-7-(2',2'-dimethyl-3'-nitroso-5'-oxo-4'-phenylimidazolidin-1'-yl)-3-methylceph-3-em-4-carboxylate(CAS DataBase Reference)
• NIST Chemistry Reference: (6R,7R,4'R)-7-(2',2'-dimethyl-3'-nitroso-5'-oxo-4'-phenylimidazolidin-1'-yl)-3-methylceph-3-em-4-carboxylate(34959-72-3)
• EPA Substance Registry System: (6R,7R,4'R)-7-(2',2'-dimethyl-3'-nitroso-5'-oxo-4'-phenylimidazolidin-1'-yl)-3-methylceph-3-em-4-carboxylate(34959-72-3)

Safety Data

• Hazardous Substances Data: 34959-72-3(Hazardous Substances Data)

Upstream product

• 3511-16-8 hetacillin 
• 15686-71-2 cefalexin 
• 67-64-1 acetone 
• 34982-12-2 6β-((R)-2,2-dimethyl-3-nitroso-5-oxo-4-phenyl-imidazolidin-1-yl)-1ξ-oxo-1λ⁴-penicillanic acid 
• 109429-60-9 (6R,7R,4'S)-7-(2',2'-dimethyl-3'-nitroso-5'-oxo-4'-phenylimidazolidin-1'-yl)-3-methylceph-3-em-4-carboxylate 
• 34632-04-7 L-Cephalexin 

Downstream Products

• 36943-64-3 (6R)-7t-((R)-2,2-dimethyl-5-oxo-4-phenyl-imidazolidin-1-yl)-3-methyl-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 
• 15686-71-2 cefalexin 

Relevant articles and documents

CONVERSION OF PENICILLIN G INTO CEPHALEXIN EMPLOYING A SECOND-ORDER ASYMMETRIC TRANSFORMATION

2'S- and 2'R- and S- cephalexin, (5b) and (5c) respectively, both available in six stages from penicillin G, have each been converted to the more useful 2'R-isomer (5a) by a base catalysed epimerization and selective crystallization process involving the N-nitrosoimidazolidinyl derivatives (7).