ChemicalBook--->CAS DataBase List--->180851-50-7

180851-50-7

180851-50-7 Structure

180851-50-7 Structure
IdentificationBack Directory
[Name]

Toluene-4-sulfonic acid 4-tert-butoxycarbonylamino-butyl ester
[CAS]

180851-50-7
[Synonyms]

180851-50-7
Tos-O-C4-NH-Boc
Toluene-4-sulfonic acid 4-bocamin
Toluene-4-sulfonic acid 4-bocamino-butyl ester, 97%
Toluene-4-sulfonic acid 4-tert-butoxycarbonylamino-butyl ester
Carbamic acid, N-[4-[[(4-methylphenyl)sulfonyl]oxy]butyl]-, 1,1-dimethylethyl ester
[Molecular Formula]

C16H25NO5S
[MDL Number]

MFCD18839142
[MOL File]

180851-50-7.mol
[Molecular Weight]

343.44
Chemical PropertiesBack Directory
[Melting point ]

54-55 °C
[Boiling point ]

491.0±28.0 °C(Predicted)
[density ]

1.151±0.06 g/cm3(Predicted)
[form ]

Solid
[pka]

12.75±0.46(Predicted)
[color ]

White to yellow
Hazard InformationBack Directory
[Biological Activity]

Tos-O-C4-NH-Boc is an alkyl ether-based PROTAC linker can be used in the synthesis of PROTACs, such as BSJ-03-204 [1]. PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins[1].
[References]

[1]. Wang Z, et al. Proteolysis Targeting Chimeras for the Selective Degradation of Mcl-1/Bcl-2 Derived from Nonselective Targ. J Med Chem. 2019 Aug 21.
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