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Merck

746118

Sigma-Aldrich

Sodium difluoroheptylazidosulfinate

95%

Sinónimos:

Baran DAAS-Na Reagent, Sodium 1,1-difluoro-7-azido-heptylsulfinate, Sodium 7-azido-1,1-difluoroheptanesulfinate

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About This Item

Fórmula empírica (notación de Hill):
C7H12F2N3NaO2S
Número de CAS:
Peso molecular:
263.24
UNSPSC Code:
12352125
PubChem Substance ID:
NACRES:
NA.22

assay

95%

form

solid

reaction suitability

reaction type: C-C Bond Formation
reagent type: catalyst
reaction type: C-H Activation

reagent type: linker

storage temp.

2-8°C

SMILES string

[Na+].[O-]S(=O)C(F)(F)CCCCCCN=[N+]=[N-]

InChI

1S/C7H13F2N3O2S.Na/c8-7(9,15(13)14)5-3-1-2-4-6-11-12-10;/h1-6H2,(H,13,14);/q;+1/p-1

InChI key

FFNHIEJQAMGBCZ-UHFFFAOYSA-M

Application

Within heteroarene platforms, DAAS-Na allows for the direct introduction of a difluoroalkyl chain carrying an azide group, which is designed for the purpose of bioconjugation. Through a Huisgen cycloaddition (a "click" reaction), the azide moiety can then be reacted with a terminal alkyne that is bound to a functional molecule such as biomacromolecules. This effectively allows for a covalent linkage between a heteroarene and any target molecule, for example, between a heteroarene-containing drug and an antibody. This reagent was developed by the Baran Group and is one of several reagents for the direct alkylation of heterocycles.

Learn More at the Professor and Product Portal of Professor Phil S. Baran.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Qianghui Zhou et al.
Journal of the American Chemical Society, 135(35), 12994-12997 (2013-08-21)
A general C-H functionalization method for the tagging of natural products and pharmaceuticals is described. An azide-containing sulfinate reagent allows the appendage of azidoalkyl chains onto heteroaromatics, the product of which can then be attached to a monoclonal antibody by
Direct synthesis of fluorinated heteroarylether bioisosteres.
Qianghui Zhou et al.
Angewandte Chemie (International ed. in English), 52(14), 3949-3952 (2013-03-06)
Fionn O'Hara et al.
Journal of the American Chemical Society, 135(32), 12122-12134 (2013-07-19)
Radical addition processes can be ideally suited for the direct functionalization of heteroaromatic bases, yet these processes are only sparsely used due to the perception of poor or unreliable control of regiochemistry. A systematic investigation of factors affecting the regiochemistry

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