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N-(9H-fluoren-9-ylidene)-4-methylbenzenesulfonamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23716-54-3

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23716-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23716-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,1 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23716-54:
(7*2)+(6*3)+(5*7)+(4*1)+(3*6)+(2*5)+(1*4)=103
103 % 10 = 3
So 23716-54-3 is a valid CAS Registry Number.

23716-54-3Downstream Products

23716-54-3Relevant academic research and scientific papers

The first reaction of dimethoxycarbene with an imine moiety

Mlostoń, Grzegorz,Heimgartner, Heinz

, p. 1758 - 1764 (2007)

The nucleophilic dimethoxycarbene (DMC; 2) generated by thermal decomposition of 2,5-dihydro-1,3,4-oxadiazole derivative 1 in boiling toluene reacts smoothly with N-(9H-fluoren-9-ylidene)-4-methylbenzenesulfonamide (7b) to yield carbonimidoate derivative

A simple method for the preparation of N-sulfonylimines by direct condensation of p-toluenesulfonamide with diaryl ketones

Ram, Ram N.,Khan, Arif Ali

, p. 841 - 846 (2007/10/03)

Diaryl ketones condense with p-toluenesulfonamide in refluxing 1,2-dichloroethane in the presence of TiCl4/ Ti(O-iPr)4 or TiCl4/Et3N to give N-sulfonylimines in generally good yields.

The Reaction of Fluorenethione S-Tosylimide with Grignard Reagents

Saito, Takao,Nakane, Michio,Motoki, Shinichi

, p. 1429 - 1430 (2007/10/02)

Fluorenethione S-tosylimide reacted with Grignard reagents to afford both the thiophilic and carbophilic products depending on the solvent used.

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