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55862-28-7

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55862-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55862-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,6 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55862-28:
(7*5)+(6*5)+(5*8)+(4*6)+(3*2)+(2*2)+(1*8)=147
147 % 10 = 7
So 55862-28-7 is a valid CAS Registry Number.

55862-28-7Relevant articles and documents

Copper-Catalyzed Ring Opening of Benzofurans and an Enantioselective Hydroamination Cascade

Xu-Xu, Qing-Feng,Liu, Qiang-Qiang,Zhang, Xiao,You, Shu-Li

, p. 15204 - 15208 (2018)

A copper(II) acetate/(R)-DTBM-SEGPHOS-catalyzed ring opening of benzofurans and enantioselective hydroamination cascade with dimethoxymethylsilane (DMMS) and hydroxylamine esters is described. Starting from readily available substituted benzofurans, a series of chiral N,N-dibenzylaminophenols, which are of high interest in pharmaceutical chemistry, were obtained with excellent enantioselectivities (up to 66 % yield, 94 % ee).

PREPARATION AND CYCLIZATION OF ARYLOXYACETALDEHYDE ACETALS; A GENERAL SYNTHESIS OF 2,3-UNSUBSTITUTED BENZOFURANS

Barker, Peter,Finke, Paul,Thompson, Kevan

, p. 257 - 266 (2007/10/02)

A improved method for the preparation of 2,3-unsubstituted benzofurans is described.Specifically, the PPA catalysed cyclization of aryloxyacetaldehyde acetals to give (4-7)-substituted benzofurans has been achieved.

1-Alkyl-2-(phenoxymethyl)-5-nitro-imidazoles and process for their manufacture

-

, (2008/06/13)

1-Alkyl-2-(phenoxymethyl)-5-nitro-imidazoles are described as well as a process for their manufacture. The compounds are active against trichomonads and amoebae and are especially suitable for the treatment of Fluor genitalis.

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