上游原料
1,3-benzothiazol-2-ylhydrosulfidecyclopentanone hydrazonetert-butyl 2-(1-piperazinyl)acetate6-Diazo-2,2-dimethylpenam-3(R)-carboxylic acid 2,2,2-trichlloroethyl ester2,2,2-trichloroethyl (2S,6S)-6-methoxy-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate2,2,2-trichloroethyl (2S,6S)-6-methoxy-3,3-dimethyl-4,7-dioxo-4lambda(4)-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate2,2,2-trichloroethyl (2R)-2-[(3S)-2-(1,3-benzothiazol-2-yldisulfanyl)-3-methoxy-4-oxoazetidinyl]-3-methyl-3-butenoate2,2,2-trichloroethyl (2S,3R,6S)-3-(bromomethyl)-6-methoxy-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate2,2,2-trichloroethyl (7S)-7-methoxy-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate2,2,2-trichloroethyl (7S)-7-methoxy-3-methyl-5,5,8-trioxo-5lambda(6)-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate2,2,2-trichloroethyl (7S)-7-methoxy-3-methyl-4-methylene-5,5,8-trioxo-5lambda(6)-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-ene]-2''-carboxylic acid 2,2,2-trichloroethyl ester S,S-dioxide7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-ene]-2''-carboxylic acid S,S-dioxide7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-ene]-2''-carbonyl chloride S,S-dioxide2-[4-[7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-en]-2''-ylcarbonyl]piperazin-1-yl]acetic acid tert-butyl ester S,S-dioxide2-[4-[7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-en]-2''-ylcarbonyl]piperazin-1-yl]acetic acid S,S-dioxide2-methyl-1-propene; isobutylenecyclopentanone hydrazonetert-butyl 2-(1-piperazinyl)acetate7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-ene]-2''-carboxylic acid S,S-dioxide7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-ene]-2''-carbonyl chloride S,S-dioxide2-[4-[7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-en]-2''-ylcarbonyl]piperazin-1-yl]acetic acid tert-butyl ester S,S-dioxide2-[4-[7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-en]-2''-ylcarbonyl]piperazin-1-yl]acetic acid S,S-dioxidetert-butyl (7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylatetert-butyl (7R)-7-amino-3-methyl-5,5,8-trioxo-5lambda(6)-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylatetert-butyl (7S)-7-methoxy-3-methyl-5,5,8-trioxo-5lambda(6)-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylatetert-butyl (7S)-7-methoxy-3-methyl-4-methylene-5,5,8-trioxo-5lambda(6)-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate7''-Methoxy-3''-methyl-8''-oxodispiro[cyclopentane-1,1'-cyclopropane-2'',4''-[5'']thia[1'']azabicyclo[4,1,0]oct-2''-ene]-2''-carboxylic acid tert-butyl ester S,S-dioxide(7R)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
