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847851-60-9

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847851-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 847851-60-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,8,5 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 847851-60:
(8*8)+(7*4)+(6*7)+(5*8)+(4*5)+(3*1)+(2*6)+(1*0)=209
209 % 10 = 9
So 847851-60-9 is a valid CAS Registry Number.

847851-60-9Downstream Products

847851-60-9Relevant articles and documents

Chiral anion phase transfer of aryldiazonium cations: An enantioselective synthesis of C3-diazenated pyrroloindolines

Nelson, Hosea M.,Reisberg, Solomon H.,Shunatona, Hunter P.,Patel, Jigar S.,Toste, F. Dean

, p. 5600 - 5603 (2014/06/10)

Herein is reported the first asymmetric utilization of aryldiazonium cations as a source of electrophilic nitrogen. This is achieved through a chiral anion phase-transfer pyrroloindolinization reaction that forms C3-diazenated pyrroloindolines from simple tryptamines and aryldiazonium tetrafluoroborates. The title compounds are obtained in up to 99% yield and 96% ee. The air- and water-tolerant reaction allows electronic and steric diversity of the aryldiazonium electrophile and the tryptamine core. Live and let diazene: Chiral anion phase transfer of aryldiazonium cations has been utilized to prepare C3-diazenated pyrroloindolines. The air- and water-tolerant reaction allows electronic and steric diversity in the aryldiazonium electrophile and the tryptamine core, with the products being obtained in up to 99% yield and 96% ee (MTBE=methyl tert-butyl ether).

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