(2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

Base Information

• Chemical Name: (2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester
• CAS No.: 345203-77-2
• Molecular Formula: C₂₃H₂₃NO₆S
• Molecular Weight: 441.505

Synonyms:(2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

Chemical Property of (2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

There total 3 articles about (2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl 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: 69.0%

(2S,5R,6S)-6-Allyl-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester (176220-71-6) → (2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ6-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester (345203-77-2)

Guidance literature:

(2S,5R,6S)-6-Allyl-3,3-dimethyl-4,4,7-trioxo-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester; With ozone; In methanol;

With dimethylsulfide; In methanol;

DOI:10.1016/S0960-894X(01)00148-2

Reference yield:

benzhydryl 6α-bromopenicillanate S,S-dioxide (99651-36-2) → (2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ6-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester (345203-77-2)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 79 percent / AIBN

2.1: O₃ / methanol

2.2: 69 percent / Me₂S / methanol

With 2,2'-azobis(isobutyronitrile); ozone; In methanol;

DOI:10.1016/S0960-894X(01)00148-2

Reference yield:

(2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid diphenylmethyl ester (81324-43-8) → (2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ6-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester (345203-77-2)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 86 percent / EtMgBr / -78 °C

2.1: 79 percent / AIBN

3.1: O₃ / methanol

3.2: 69 percent / Me₂S / methanol

With 2,2'-azobis(isobutyronitrile); ethylmagnesium bromide; ozone; In methanol;

DOI:10.1016/S0960-894X(01)00148-2

upstream raw materials:

(2S,5R,6S)-6-Allyl-3,3-dimethyl-4,4,7-trioxo-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

benzhydryl 6α-bromopenicillanate S,S-dioxide

(2S,5R)-6,6-dibromo-3,3-dimethyl-4,4,7-trioxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid diphenylmethyl ester

Downstream raw materials:

(2S,5R,6S)-6-[(E)-3-(Methoxy-methyl-carbamoyl)-allyl]-3,3-dimethyl-4,4,7-trioxo-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

(2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-((E)-4-oxo-but-2-enyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

(2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-((E)-4-oxo-pent-2-enyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

(2S,5R,6S)-6-((E)-3-Methoxycarbonyl-allyl)-3,3-dimethyl-4,4,7-trioxo-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 345203-77-2 (2S,5R,6S)-3,3-Dimethyl-4,4,7-trioxo-6-(2-oxo-ethyl)-4λ⁶-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzhydryl ester

Send

Send

Metric Ton KG G Pound L ML

Send

Send