114408-90-1

Basic information

• Product Name: 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6,6-dibromo-7-oxo-, (4-methoxyphenyl)methyl ester, (R)-
• CAS NO: 114408-90-1
• Molecular Formula: C14H11Br2NO4S
• Molecular Weight: 449.12
• Mol File: 114408-90-1.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6,6-dibromo-7-oxo-, (4-methoxyphenyl)methyl ester, (R)-(CAS DataBase Reference)
• NIST Chemistry Reference: 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6,6-dibromo-7-oxo-, (4-methoxyphenyl)methyl ester, (R)-(114408-90-1)
• EPA Substance Registry System: 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6,6-dibromo-7-oxo-, (4-methoxyphenyl)methyl ester, (R)-(114408-90-1)

Safety Data

• Hazardous Substances Data: 114408-90-1(Hazardous Substances Data)

Upstream product

• 144-55-8 sodium hydrogencarbonate 
• 114409-16-4 p-methoxybenzyl (5R,6S)-6-bromo-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate 

Relevant articles and documents

Process for the preparation of penem compounds and intermediates for this preparation

Compounds of the general formula I in which, X denotes a halogen atom;, Y denotes a hydrogen atom, a halogen atom, or a moiety of the general formula II Z denotes a halogen atom, a hydroxy group, a substituted hydroxy group, an -S(O)nR5 group, or an -Se(O)mR5 group;, n denotes 0, 1 or 2, preferably 0 or 1;, m denotes 0 or 1;, R3 denotes a hydrogen atom or an organic group;, R4 denotes a hydrogen atom, a carboxy-salt-forming ion, or a carboxy-ester-forming group;, R5 denotes a hydrogen atom, a hydrocarbon group, or a heterocyclyl group; and, R12 denotes a hydrogen atom, an unsubstituted or substituted hydrocarbon group, or an unsubstituted or substituted heterocyclyl group;, are novel intermediates useful in the preparation of 6-methylene-penems of the general formula X: