(6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester

Base Information

• Chemical Name: (6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester
• CAS No.: 201472-50-6
• Molecular Formula: C₃₂H₄₉N₃O₇Si
• Molecular Weight: 615.842
• Mol file: 201472-50-6.mol

Synonyms:(6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester

Chemical Property of (6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester

There total 11 articles about (6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl 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: 79.0%

Boc-D-Phg-OH (33125-05-2) + (6R,7S)-7-Amino-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester (201472-49-3) → (6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester (201472-50-6)

Guidance literature:

With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; In dichloromethane; at 0 - 20 ℃;

DOI:10.1021/jo971772p

Reference yield:

tert-butyl diethylphosphonoacetate (27784-76-5) → (6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester (201472-50-6)

Guidance literature:

Multi-step reaction with 11 steps

1: 50 percent / NaH, Ph₂PO₂NH₂ / tetrahydrofuran / -78 - 20 °C

2: 83 percent / EDC, HOBT / CH₂Cl₂ / 18 h / Ambient temperature

3: 91 percent / DBAB, PPh₃ / tetrahydrofuran / -8 - 20 °C

4: 85 percent / OsO₄, NMO*H₂O / tetrahydrofuran; H₂O; acetone / 2 h / Ambient temperature

5: 83 percent / DMAP, Et₃N / CH₂Cl₂ / 20 h / Ambient temperature

6: 80 percent / PDC, 4A MS / CH₂Cl₂ / 2 h

7: 85 percent / NaH / tetrahydrofuran / 0 - 20 °C

8: 100 percent / Na₂S*9H₂O / tetrahydrofuran; H₂O / 0.25 h / 0 °C

9: DCC / CH₂Cl₂ / 0 - 20 °C

10: methylhydrazine / tetrahydrofuran / 0.17 h / -8 °C

11: 79 percent / EDC, HOBt / CH₂Cl₂ / 0 - 20 °C

With dmap; sodium sulfide; osmium(VIII) oxide; dipyridinium dichromate; O-(diphenylphosphinyl)hydroxylamine; sodium hydride; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; 4-methylmorpholine N-oxide; triethylamine; dicyclohexyl-carbodiimide; triphenylphosphine; methylhydrazine; In tetrahydrofuran; dichloromethane; water; acetone;

DOI:10.1021/jo971772p

Reference yield:

tert-butyl 2-amino-2-(diethoxyphosphoryl)acetate (72292-10-5) → (6R,7S)-7-((R)-2-tert-Butoxycarbonylamino-2-phenyl-acetylamino)-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester (201472-50-6)

Guidance literature:

Multi-step reaction with 10 steps

1: 83 percent / EDC, HOBT / CH₂Cl₂ / 18 h / Ambient temperature

2: 91 percent / DBAB, PPh₃ / tetrahydrofuran / -8 - 20 °C

3: 85 percent / OsO₄, NMO*H₂O / tetrahydrofuran; H₂O; acetone / 2 h / Ambient temperature

4: 83 percent / DMAP, Et₃N / CH₂Cl₂ / 20 h / Ambient temperature

5: 80 percent / PDC, 4A MS / CH₂Cl₂ / 2 h

6: 85 percent / NaH / tetrahydrofuran / 0 - 20 °C

7: 100 percent / Na₂S*9H₂O / tetrahydrofuran; H₂O / 0.25 h / 0 °C

8: DCC / CH₂Cl₂ / 0 - 20 °C

9: methylhydrazine / tetrahydrofuran / 0.17 h / -8 °C

10: 79 percent / EDC, HOBt / CH₂Cl₂ / 0 - 20 °C

With dmap; sodium sulfide; osmium(VIII) oxide; dipyridinium dichromate; sodium hydride; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; 4-methylmorpholine N-oxide; triethylamine; dicyclohexyl-carbodiimide; triphenylphosphine; methylhydrazine; In tetrahydrofuran; dichloromethane; water; acetone;

DOI:10.1021/jo971772p

upstream raw materials:

Boc-D-Phg-OH

(6R,7S)-7-Amino-3-(tert-butyl-dimethyl-silanyloxymethyl)-8-oxo-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester

tert-butyl diethylphosphonoacetate

tert-butyl 2-amino-2-(diethoxyphosphoryl)acetate