124818
Biphenyl-4,4′-disulfonyl chloride
97%
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About This Item
Linear Formula:
ClSO2C6H4C6H4SO2Cl
CAS Number:
Molecular Weight:
351.23
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
222-293-6
Beilstein/REAXYS Number:
2222668
MDL number:
Assay:
97%
Product Name
Biphenyl-4,4′-disulfonyl chloride, 97%
InChI key
OTFAWEIFBPUXOH-UHFFFAOYSA-N
InChI
1S/C12H8Cl2O4S2/c13-19(15,16)11-5-1-9(2-6-11)10-3-7-12(8-4-10)20(14,17)18/h1-8H
SMILES string
ClS(=O)(=O)c1ccc(cc1)-c2ccc(cc2)S(Cl)(=O)=O
assay
97%
mp
205-208 °C (lit.)
Quality Level
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Application
Biphenyl-4,4′-disulfonyl chloride was used in the synthesis of 6A,6D-diamino-6A,6D-dideoxy-β-cyclodextrin.
General description
Biphenyl-4,4′-disulfonyl chloride reacts with cycloinulohexaose in pyridine to form capped cyclofructan, 6A,6C-di-O-(biphenyl-4,4′-disulfonyl)-cycloinulohexaose.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Capped cyclofructan. Preparation and structure determination of 6A, 6C-di-O-(biphenyl-4, 4'-disulfonyl)-cycloinulohexaose.
Atsumi M, et al.
Tetrahedron Letters, 35(31), 5661-5664 (1994)
Harold Cruz et al.
Chirality (2018-06-07)
Herein, we report the synthesis of C2 -symmetric sulfonamides as homogeneous and heterogeneous organocatalysts and their application in the enantioselective conjugate 1,4-Michael addition of carbonylic nucleophiles to β-nitrostyrene. Organocatalysts hydrogen bond to β-nitrostyrene and enamine in the transition state, mimicking
N Schaschke et al.
Chemistry & biology, 8(4), 313-327 (2001-04-28)
Human beta-tryptase is a mast cell specific trypsin-like serine protease that is thought to play a key role in the pathogenesis of diverse allergic and inflammatory disorders like asthma and psoriasis. The recently resolved crystal structure revealed that the enzymatically
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