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Benzenamine, 2,4-dichloro-N-sulfinyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21250-19-1

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21250-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21250-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,5 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21250-19:
(7*2)+(6*1)+(5*2)+(4*5)+(3*0)+(2*1)+(1*9)=61
61 % 10 = 1
So 21250-19-1 is a valid CAS Registry Number.

21250-19-1Upstream product

21250-19-1Relevant academic research and scientific papers

Reaction of electron-deficient N-sulfinylanilines with chiral α-hydroxy acids: A new process for the synthesis of enantiomerically pure α-hydroxy amides

Chidambaram,Zhu,Penmetsa,Kronenthal,Kant

, p. 6017 - 6020 (2007/10/03)

A practical procedure to prepare enantiomerically pure α-hydroxy amides from chiral α-hydroxy acids and electron-deficient anilines via N-sulfinylaniline derivatives has been developed. (C) 2000 Elsevier Science Ltd.

Substituted N-aryl alk-1-enesulfinamides: Preparation, properties and conversion into the corresponding indole compounds [1]

Baudin, Jean-Bernard,Commenil, Marie-Gabrielle,Julia, Sylvestre A.,Lorne, Robert,Mauclaire, Laurent

, p. 329 - 350 (2007/10/03)

Reaction of vinylic organometallic derivatives with N-sulfinyl arenamines 2 affords the title sulfinamides 3. On heating their solutions in selected solvents to 80-124 °C, these sulfinamides are converted into the corresponding indoles 6, probably via a [3.3]-sigmatropic rearrangement to intermediates VIII which undergo an intramolecular carbophilic reaction of the nitrogen atom with the neighboring sulfine group, followed by elimination of HSOH. The triethyloxonium tetrafluoroborate- or boron trifluoride etherate catalyzed conversion 3 → 6 can be carried out at a much lower temperature. Elsevier,.

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