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120205-98-3

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120205-98-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120205-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,0 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 120205-98:
(8*1)+(7*2)+(6*0)+(5*2)+(4*0)+(3*5)+(2*9)+(1*8)=73
73 % 10 = 3
So 120205-98-3 is a valid CAS Registry Number.

120205-98-3Relevant articles and documents

Oxazolidinones and 2,5-Dihydrofurans via Zinc-Catalyzed Regioselective Allenylation Reactions of l -α-Amino Aldehydes

Zamani, Farzad,Pyne, Stephen G.,Hyland, Christopher J. T.

, p. 6819 - 6830 (2017/07/17)

The simultaneous control of diastereoselectivity and regioselectivity in Zn-catalyzed allenylation reactions of N-protected l-α-amino aldehydes is reported. A reversal in diastereoselectivity could be realized by variation of the α-amino aldehyde protecti

Metal-free, mild, nonepimerizing, chemo- and enantio- or diastereoselective N-alkylation of amines by alcohols via oxidation/imine-iminium formation/reductive amination: A pragmatic synthesis of octahydropyrazinopyridoindoles and higher ring analogues

Khan, Imran A.,Saxena, Anil K.

, p. 11656 - 11669 (2014/01/06)

A mild step and atom-economical nonepimerizing chemo- and enantioselective N-alkylating procedure has been developed via oxidation/imine-iminium formation/reduction cascade using TEMPO-BAIB-HEH-Bronsted acid catalysis in DMPU as solvent and a stoichiometric amount of amine. The optimized conditions were further extended for the nonenzymatic kinetic resolution of the chiral amine thus formed under nonenzymatic in situ hydrogen-transfer conditions using VAPOL-derived phosphoric acid (VAPOL-PA) as the Bronsted acid catalyst. The enantioselective cascade of the presented reaction was successfully utilized in the synthesis of octahydropyrazinopyridoindole and its higher ring analogues.

Scope and limitations of the alkylidene carbene 1,5-CH insertion reactions of α-amino acid-derived substrates

Mapitse, Renameditswe,Hayes, Christopher J

, p. 3541 - 3542 (2007/10/03)

A range of α-amino acid-derived cyclisation precursors were synthesised from suitably protected α-amino esters, via a Dibal-H/Wittig/catalytic hydrogenation strategy and each of these was subjected to alkylidene carbene-forming conditions (lithio(trimethy

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