(6R,7R)-7-{2-(5-Amino-[1,2,4]thiadiazol-3-yl)-2-[(Z)-fluoromethoxyimino]-acetylamino}-3-[(E)-2-((R)-2-methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester

Base Information

• Chemical Name: (6R,7R)-7-{2-(5-Amino-[1,2,4]thiadiazol-3-yl)-2-[(Z)-fluoromethoxyimino]-acetylamino}-3-[(E)-2-((R)-2-methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester
• CAS No.: 1027028-21-2
• Molecular Formula: C₂₆H₂₈FN₇O₇S₂
• Molecular Weight: 633.681
• Mol file: 1027028-21-2.mol

Synonyms:

Chemical Property of (6R,7R)-7-{2-(5-Amino-[1,2,4]thiadiazol-3-yl)-2-[(Z)-fluoromethoxyimino]-acetylamino}-3-[(E)-2-((R)-2-methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (6R,7R)-7-{2-(5-Amino-[1,2,4]thiadiazol-3-yl)-2-[(Z)-fluoromethoxyimino]-acetylamino}-3-[(E)-2-((R)-2-methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester

There total 4 articles about (6R,7R)-7-{2-(5-Amino-[1,2,4]thiadiazol-3-yl)-2-[(Z)-fluoromethoxyimino]-acetylamino}-3-[(E)-2-((R)-2-methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

(7R)-7-[(phenylacetyl)amino]-3-trifluoromethanesulfonyloxy-3-cephem-4-carboxylate, 4-methoxybenzyl ester (123054-30-8) → (6R,7R)-7-{2-(5-Amino-[1,2,4]thiadiazol-3-yl)-2-[(Z)-fluoromethoxyimino]-acetylamino}-3-[(E)-2-((R)-2-methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester (1027028-21-2)

Guidance literature:

Multi-step reaction with 4 steps

1: 1.) ZnCl₂, tri(2-furyl)phosphine, Pd(dba)2 / 1) N-methylpyrrolidinone, 10 min; 2) N-methylpyrrolidinone, rt, 4 h

2: 81 percent / AcONa / tetrahydrofuran; aq. ethanol / 1) rt, 0.5 h; 2) reflux, 3 h

3: 81 percent / PCl₅, pyridine / 1 h / -20 - 0 °C

4: 1.) DCC, HOBT / 1) DMF, rt, 15 min; 2) DMF, rt, 14.5 h

With pyridine; trifuran-2-yl-phosphane; phosphorus pentachloride; sodium acetate; benzotriazol-1-ol; dicyclohexyl-carbodiimide; zinc(II) chloride; bis(dibenzylideneacetone)-palladium⁽⁰⁾; In tetrahydrofuran; ethanol;

DOI:10.7164/antibiotics.49.1162

Reference yield:

(6R,7R)-3-((E)-Buta-1,3-dienyl)-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester (162081-84-7) → (6R,7R)-7-{2-(5-Amino-[1,2,4]thiadiazol-3-yl)-2-[(Z)-fluoromethoxyimino]-acetylamino}-3-[(E)-2-((R)-2-methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester (1027028-21-2)

Guidance literature:

Multi-step reaction with 3 steps

1: 81 percent / AcONa / tetrahydrofuran; aq. ethanol / 1) rt, 0.5 h; 2) reflux, 3 h

2: 81 percent / PCl₅, pyridine / 1 h / -20 - 0 °C

3: 1.) DCC, HOBT / 1) DMF, rt, 15 min; 2) DMF, rt, 14.5 h

With pyridine; phosphorus pentachloride; sodium acetate; benzotriazol-1-ol; dicyclohexyl-carbodiimide; In tetrahydrofuran; ethanol;

DOI:10.7164/antibiotics.49.1162

Reference yield:

(6R,7R)-3-[(E)-2-((R)-2-Methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester → (6R,7R)-7-{2-(5-Amino-[1,2,4]thiadiazol-3-yl)-2-[(Z)-fluoromethoxyimino]-acetylamino}-3-[(E)-2-((R)-2-methyl-isoxazolidin-5-yl)-vinyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester (1027028-21-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 81 percent / PCl₅, pyridine / 1 h / -20 - 0 °C

2: 1.) DCC, HOBT / 1) DMF, rt, 15 min; 2) DMF, rt, 14.5 h

With pyridine; phosphorus pentachloride; benzotriazol-1-ol; dicyclohexyl-carbodiimide;

DOI:10.7164/antibiotics.49.1162

upstream raw materials:

2-fluoromethoxyimino-2-(5-amino-1,2,4-thiadiazole-3-yl)-acetic acid

(7R)-7-[(phenylacetyl)amino]-3-trifluoromethanesulfonyloxy-3-cephem-4-carboxylate, 4-methoxybenzyl ester

(6R,7R)-3-((E)-Buta-1,3-dienyl)-8-oxo-7-phenylacetylamino-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester