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848750-28-7

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848750-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 848750-28-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,8,7,5 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 848750-28:
(8*8)+(7*4)+(6*8)+(5*7)+(4*5)+(3*0)+(2*2)+(1*8)=207
207 % 10 = 7
So 848750-28-7 is a valid CAS Registry Number.

848750-28-7Downstream Products

848750-28-7Relevant articles and documents

Potassium tert-Butoxide-Mediated Condensation Cascade Reaction: Transition Metal-Free Synthesis of Multisubstituted Aryl Indoles and Benzofurans

Yang, Pengfei,Xu, Weiyan,Wang, Rongchao,Zhang, Min,Xie, Chunsong,Zeng, Xiaofei,Wang, Min

, p. 3658 - 3662 (2019/05/17)

An efficient and facile method to synthesize valuable disubstituted 2-aryl indoles and benzofurans in good yields has been demonstrated, based on a tert-butoxide-mediated condensation reaction involving a vinyl sulfoxide intermediate. Products are obtained from N- or O-benzyl benzaldehydes using dimethyl sulfoxide as a carbon source. The methodology features a wide functional group tolerance and transition metal-free environment. Preliminary mechanistic studies suggest that the reaction involves a tandem aldol reaction/Michael addition/dehydrosulfenylation/isomerization sequence through an ionic protocol.

Substituted phenyl indoles

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Page/Page column 23, (2008/06/13)

The present invention relates generally to substituted phenyl indoles and methods of using them.

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