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152141-40-7

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152141-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 152141-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,1,4 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 152141-40:
(8*1)+(7*5)+(6*2)+(5*1)+(4*4)+(3*1)+(2*4)+(1*0)=87
87 % 10 = 7
So 152141-40-7 is a valid CAS Registry Number.

152141-40-7Relevant articles and documents

A general strategy for the catalytic, highly enantio- and diastereoselective synthesis of indolizidine-based alkaloids

Abels, Falko,Lindemann, Chris,Schneider, Christoph

, p. 1964 - 1979 (2014/03/21)

Sixteen indolizidine-based alkaloids (IBAs) that were isolated as poison constituents of the skin of frogs were synthesized in a highly flexible and stereoselective manner. As a key step, a three-component, organocatalytic, highly enantio- and diastereose

Convenient in situ synthesis of nonracemic N-protected β-amino aldehydes from β-amino acids. Applications in Wittig reactions and heterocycle synthesis

Davies, Simon B.,McKervey, M. Anthony

, p. 1229 - 1232 (2007/10/03)

N-Z-γ-amino alcohols derived from nonracemic β-amino acids are smoothly oxidised by manganese dioxide in acetonitrile to afford aldehydes which can be trapped in situ in Wittig reactions with carbonyl-substituted phosphoranes. The application of this methodology to the synthesis of the alkaloids (S)-(+)-N-BOC-coniine, (S)-(-)-coniceine and a pipecoline precursor is described.

Catalytic asymmetric synthesis of a functionalized indolizidine derivative. A useful intermediate suitable for the synthesis of various glycosidase inhibitors

Nukui, Seiji,Sodeoka, Mikiko,Shibasaki, Masakatsu

, p. 4965 - 4968 (2007/10/02)

Indolizidine derivative 7 has been sythesized in up 86% ee by an asymmetric Heack reaction (Pd(O)-BPPFOH, Ag-exchanged zeolite) starting with prochiral alkenyl iodide 5. Conversion of 7 to δconiceine (9) is also described.

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