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1350897-04-9

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1350897-04-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1350897-04-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,0,8,9 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1350897-04:
(9*1)+(8*3)+(7*5)+(6*0)+(5*8)+(4*9)+(3*7)+(2*0)+(1*4)=169
169 % 10 = 9
So 1350897-04-9 is a valid CAS Registry Number.

1350897-04-9Relevant articles and documents

Asymmetric Michael addition organocatalyzed by α,β-dipeptides under solvent-free reaction conditions

Avila-Ortiz, C. Gabriela,Lenin, Diaz-Corona,Erika, Jiménez-González,Juaristi, Eusebio

, (2017)

The application of six novel α,β-dipeptides as chiral organocatalysts in the asymmetric Michael addition reaction between enolizable aldehydes and N-arylmaleimides or nitroolefins is described. With N-arylmaleimides as substrates, the best results were achieved with dipeptide 2 as a catalyst in the presence of aq. NaOH. Whereas dipeptides 4 and 6 in conjunction with 4-dimethylaminopyridine (DMAP) and thiourea as a hydrogen bond donor proved to be highly efficient organocatalytic systems in the enantioselective reaction between isobutyraldehyde and various nitroolefins.

Stereoselective conjugate addition of carbonyl compounds to maleimides using a diaminomethyleneindenedione organocatalyst

Nakashima, Kosuke,Kawada, Masahiro,Hirashima, Shin-ichi,Kosugi, Ayako,Kato, Mana,Yoshida, Akihiro,Koseki, Yuji,Miura, Tsuyoshi

, p. 888 - 895 (2016/09/02)

A diaminomethyleneindenedione motif can serve as an excellent double hydrogen bonding donor. Bifunctional chiral primary amine 3 bearing a diaminomethyleneindenedione motif is an excellent organocatalyst to promote the asymmetric conjugate additions of va

Solvent-dependent enantioswitching in the Michael addition of α,α-disubstituted aldehydes to maleimides organocatalyzed by mono-N-Boc-protected cyclohexa-1,2-diamines

Flores-Ferrándiz, Jesús,Chinchilla, Rafael

, p. 1091 - 1094 (2014/10/15)

Enantiomerically pure mono-N-Boc-protected trans-cyclohexa-1,2-diamines are used as organocatalysts for the enantioselective conjugate addition of α,α-disubstituted aldehydes to maleimides. Using a single enantiomer of the organocatalyst, both enantiomeri

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