Einecs 257-678-8

Base Information

Chemical Name:Einecs 257-678-8
CAS No.:52128-53-7
Molecular Formula:C₁₇H₁₈N₂O₇S₂
Molecular Weight:426.471
Hs Code.:
European Community (EC) Number:252-620-8,257-678-8
Mol file:52128-53-7.mol

Synonyms:EINECS 257-678-8;SCHEMBL8983558;35565-06-1;52128-53-7;5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 3-((acetyloxy)methyl)-7-methoxy-8-oxo-7-((2-thienylacetyl)amino)-, cis-;cis-(1)-3-(Acetoxymethyl)-7-methoxy-8-oxo-7-(2-thienylacetamido)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid

Suppliers and Price of Einecs 257-678-8

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
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price

Total 3 raw suppliers

Chemical Property of Einecs 257-678-8

Chemical Property:

Vapor Pressure:7.41E-24mmHg at 25°C
Boiling Point:753.5°Cat760mmHg
Flash Point:409.5°C
Density:1.55g/cm³
XLogP3:0.6
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:9
Rotatable Bond Count:8
Exact Mass:426.05554326
Heavy Atom Count:28
Complexity:741

Purity/Quality:: 99% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Canonical SMILES:CC(=O)OCC1=C(N2C(C(C2=O)(NC(=O)CC3=CC=CS3)OC)SC1)C(=O)O

Technology Process of Einecs 257-678-8

There total 7 articles about Einecs 257-678-8 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:

: 35565-06-1,50268-65-0,52128-53-7
(6R)-3-acetoxymethyl-7c-methoxy-8-oxo-7t-(2-thiophen-2-yl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Guidance literature:: entspr. p-Nitrobenzylester, Hydrogenolyse;

Reference yield:

: 50918-95-1
3-acetoxymethyl-7c-methoxy-8-oxo-7t-(2-thiophen-2-yl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester

: 35565-06-1,50268-65-0,52128-53-7
3-acetoxymethyl-7c-methoxy-8-oxo-7t-(2-thiophen-2-yl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Guidance literature:: With methoxybenzene; trifluoroacetic acid; at 0 ℃; for 0.0833333h;
DOI:10.1016/S0040-4039(01)87300-7

Reference yield:

: 39098-97-0
2-thienylacetic acid chloride

: 35565-06-1,50268-65-0,52128-53-7
3-acetoxymethyl-7c-methoxy-8-oxo-7t-(2-thiophen-2-yl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Guidance literature:: Multi-step reaction with 3 steps

1: Py / CH₂Cl₂

2: Tl(NO₃)3

3: TFA-PhOMe / 0.08 h / 0 °C

With pyridine; methoxybenzene; trifluoroacetic acid; thallium(III) nitrate; In dichloromethane;
DOI:10.1016/S0040-4039(01)87300-7