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183989-82-4

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183989-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183989-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,9,8 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 183989-82:
(8*1)+(7*8)+(6*3)+(5*9)+(4*8)+(3*9)+(2*8)+(1*2)=204
204 % 10 = 4
So 183989-82-4 is a valid CAS Registry Number.

183989-82-4Relevant articles and documents

Regio- and chemoselective n-1 acylation of indoles: Pd-catalyzed domino cyclization to afford 1,2-fused tricyclic indole scaffolds

Liu, Yongxian,Huang, Yuanqiong,Song, Hongjian,Liu, Yuxiu,Wang, Qingmin

supporting information, p. 5337 - 5340 (2015/03/30)

A concise method for the synthesis of 1,2-fused tricyclic indole scaffolds by domino cyclization involving a Pd-catalyzed Sonogashira coupling, indole cyclization, regio- and chemoselective N-1 acylation, and 1,4-Michael addition is reported. This method

INDOLE AND AZAINDOLE MODULATORS OF THE ALPHA 7 NACHR

-

Page/Page column 51, (2011/05/05)

This invention relates to modulation of the α7 nicotinic acetylcholine receptor (nAChR) by a compound of formula (I) or a pharmaceutically acceptable salt thereof.

Synthesis of indoles and quinolones by sequential Wittig and Heck reactions

Latham, Elliot J.,Stanforth, Stephen P.

, p. 2059 - 2063 (2007/10/03)

Trifluoroacetamido derivatives 18a-c and 19a-c react with phosphorane 2 in boiling toluene to give the corresponding enamines 12a-c and 13a-c respectively which are precursors of the trifluoromethylated indoles 14a-c and quinolones 15a-c.

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