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190901-33-8

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190901-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190901-33-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,9,0 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 190901-33:
(8*1)+(7*9)+(6*0)+(5*9)+(4*0)+(3*1)+(2*3)+(1*3)=128
128 % 10 = 8
So 190901-33-8 is a valid CAS Registry Number.

190901-33-8Downstream Products

190901-33-8Relevant articles and documents

Hypervalent iodine oxidation of o-aminochalcones: A novel synthesis of 3-(β-styryl)-2,1-benzisoxazoles

Prakash, Om,Saini, Rajesh K.,Singh, Shiv P.,Varma, Rajender S.

, p. 3147 - 3150 (1997)

Hypervalent iodine oxidation of o-aminochalcones using C6H5I(OAc)2-KOH/MeOH leads to a novel and useful route for the synthesis of 3-(β-styryl)-2,1-benzisoxazoles. A plausible mechanism for this novel rearrangement is proposed.

Gold-Catalyzed C-H Annulation of Anthranils with Alkynes: A Facile, Flexible, and Atom-Economical Synthesis of Unprotected 7-Acylindoles

Jin, Hongming,Huang, Long,Xie, Jin,Rudolph, Matthias,Rominger, Frank,Hashmi, A. Stephen K.

supporting information, p. 794 - 797 (2016/02/27)

The gold-catalyzed C-H annulation of anthranil derivatives with alkynes offers a facile, flexible, and atom-economical one-step route to unprotected 7-acylindoles. An intermediate α-imino gold carbene, generated by an intermolecular reaction, promotes ortho-aryl C-H functionalization to afford the target products. The transformation proceeds with a broad range of substrates under mild conditions. Moreover, the obtained functionalized indole products represent a versatile platform for the construction of diverse indolyl frameworks.

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