166581-61-9

Upstream product

• 155723-02-7 (6R,7R)-7-amino-3-[(1Z)-2-(4-methyl-5-thiazolyl)vinyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 
• 166374-44-3 7-amino-3-[(E)-2-(4-methylthiazol-5-yl)vinyl]-3-cephem-4-carboxylic acid 
• 101-83-7 N-cyclohexyl-cyclohexanamine 

Downstream Products

• 155723-02-7 (6R,7R)-7-amino-3-[(1Z)-2-(4-methyl-5-thiazolyl)vinyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 
• 166374-44-3 7-amino-3-[(E)-2-(4-methylthiazol-5-yl)vinyl]-3-cephem-4-carboxylic acid 

Relevant academic research and scientific papers

3-ALKENYLCEPHEM COMPOUNDS AND PROCESS FOR PRODUCTION THEREOF

A 3-alkenylcephem compound of the formula (1) wherein R 1 is benzyl or phenoxymethyl, R 2 , R 3 and R 4 are alike or different and are each a hydrogen atom, C 1-10 alkyl, C 4-8 cycloalkyl or aryl C 1-3 alkyl substituted or unsubstituted with C 1-4 alkyl, R 2 and R 3 , when taken together, form a group -(CH 2 ) 1 X m (CH 2 ) n - substituted or unsubstituted with C 1-4 alkyl at an optional position, X is an oxygen atom or group -N(R 5 )-, 1 is 0 to 3, m is 0 or 1, n is an integer of 2 to 4, R 5 is a hydrogen atom or C 1-4 alkyl.