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(R)-2-[((R)-2-Ethyl-1,4-dioxa-spiro[4.5]dec-2-yl)-(toluene-4-sulfonyloxy)-methyl]-3-thioxo-2,3,6,11-tetrahydro-1H,5H-indolizino[8,7-b]indole-11b-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

144609-71-2

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144609-71-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144609-71-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,6,0 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144609-71:
(8*1)+(7*4)+(6*4)+(5*6)+(4*0)+(3*9)+(2*7)+(1*1)=132
132 % 10 = 2
So 144609-71-2 is a valid CAS Registry Number.

144609-71-2Relevant academic research and scientific papers

Nonoxidative coupling methodology for the synthesis of the antitumor bisindole alkaloid vinblastine and a lower-half analogue: Solvent effect on the stereochemistry of the crucial C-15/C-18′ bond

Magnus, Philip,Mendoza, José S.,Stamford, Andrew,Ladlow, Mark,Willis, Paul

, p. 10232 - 10245 (2007/10/02)

The overall strategy for the synthesis of vinblastine (1) is based upon the nonoxidative cleavage of the tertiary amine (+)-18 to generate the intermediate delocalized cation 18a, which in the presence of an electron-rich aromatic nucleophile can be trapp

Stereospecific Synthesis of the Top-Half Precursor to the Antitumor Agent Vinblastine and a Simple Bisindole Analogue.

Magnus, Philip,Mendoza, Jose

, p. 899 - 902 (2007/10/02)

The stereospecific synthesis of a precursor to the top-half of vinblastine is described.Its non-oxidative coupling to m-methoxy-N,N-dimethylaniline provides access to the vinblastine analogue 18.

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