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Trimethylsilyl 4-Nitrobenzenesulfenate, also known as (Trimethylsilyl) 4-nitrobenzenesulfenate or TMSNsO2C6H4NO2, is an organosilicon compound with the chemical formula C9H13NO4SSi. It is a yellow crystalline solid that is soluble in organic solvents. Trimethylsilyl 4-Nitrobenzenesulfenate is primarily used as a protecting group in organic synthesis, particularly for the selective protection of alcohols and phenols. It is also employed as a reagent in the preparation of various organic compounds and as a coupling agent in the synthesis of heterocycles. Due to its reactivity and potential hazards, it is essential to handle Trimethylsilyl 4-Nitrobenzenesulfenate with proper safety precautions and in accordance with established guidelines.

73116-72-0

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73116-72-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73116-72-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,1 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 73116-72:
(7*7)+(6*3)+(5*1)+(4*1)+(3*6)+(2*7)+(1*2)=110
110 % 10 = 0
So 73116-72-0 is a valid CAS Registry Number.

73116-72-0Relevant academic research and scientific papers

Chemistry of Sulfenic Acids. 1. Synthesis of Trimethylsilyl Arenesulfenates (Arenesulfenic Acids)

Davis, Franklin A.,Rizvi, Syed Q. A.,Ardecky, Robert,Gosciniak, Donald J.,Friedman, Arthur J.,Yocklovich, Steven G.

, p. 1650 - 1653 (2007/10/02)

Trimethylsilyl arenesulfenates (5), masked sulfenic acids, are prepared in low yield by trapping the intermediate arenesulfenic acid generated by thermolysis of the corresponding N-benzylidenarenesulfinamide (4) with chlorotrimethylsilane-hexamethyldisilazane.Attempts to prepare 5 by oxidation of trialkyl(phenylthio)silanes (8) with 2-(benzenesulfonyl)-3-phenyloxaziridine (11), an aprotic oxidizing reagent, gave instead the previously unknown trialkylsilyl benzenesulfinates (12).These results are attributed to the enhabced nucleophilicity (α effect) of the intermediate trialkylsilyl arenesulfenate ester.

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