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2,2-Difluoro-2-(fluorosulfonyl)acetic acid triethylsilyl ester is an organofluorine compound with the molecular formula C10H19F3O4SSi. It is a valuable building block in chemical synthesis due to its unique fluorinated structure, and its triethylsilyl ester derivative makes it more stable and easier to handle in laboratory settings.

757203-27-3

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757203-27-3 Usage

Uses

Used in Pharmaceutical Industry:
2,2-Difluoro-2-(fluorosulfonyl)acetic acid triethylsilyl ester is used as a reagent for introducing the difluoromethyl group into various organic molecules, particularly in the production of drug candidates.
Used in Agrochemicals:
2,2-Difluoro-2-(fluorosulfonyl)acetic acid triethylsilyl ester has potential applications in agrochemicals, where it can be used to introduce the difluoromethyl group into agrochemical compounds.
Used in Materials Science:
2,2-Difluoro-2-(fluorosulfonyl)acetic acid triethylsilyl ester is also utilized in materials science for the synthesis of new materials with unique properties due to the incorporation of the difluoromethyl group.

Check Digit Verification of cas no

The CAS Registry Mumber 757203-27-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,7,2,0 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 757203-27:
(8*7)+(7*5)+(6*7)+(5*2)+(4*0)+(3*3)+(2*2)+(1*7)=163
163 % 10 = 3
So 757203-27-3 is a valid CAS Registry Number.

757203-27-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name triethylsilyl 2,2-difluoro-2-fluorosulfonylacetate

1.2 Other means of identification

Product number -
Other names triethylsilyl fluorosulfonyldifluoroacetate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:757203-27-3 SDS

757203-27-3Relevant academic research and scientific papers

Trimethylsilyl fluorosulfonyldifluoroacetate (TFDA): A new, highly efficient difluorocarbene reagent

Dolbier Jr., William R.,Tian, Feng,Duan, Jian-Xin,Li, An-Rong,Ait-Mohand, Samia,Bautista, Olivia,Buathong, Saiwan,Baker, J. Marshall,Crawford, Jen,Anselme, Pauline,Cai, Xiao Hong,Modzelewska, Aneta,Koroniak, Henryk,Battiste, Merle A.,Chen, Qing-Yun

, p. 459 - 469 (2004)

TFDA is readily prepared from the reaction of fluorosulfonyldifluoroacetic acid with trimethylsilyl chloride, and it is a very effective and efficient source of difluorocarbene for use in addition reactions to alkenes of a broad scope of reactivities. Acid-sensitive substrates may require an additional purification step involving treatment of the distilled TFDA with sufficient Et3N to remove the acid impurity. Other trialkylsilyl fluorosulfonyldifluoroacetates can also be prepared, and they have been found to have reactivities similar to TFDA. The triethyl derivative, TEFDA is more convenient to prepare in a pure state and has similar reactivity to TFDA. Thus, it may prove to be a superior reagent.

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