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((3aS,5aR,10bR,12bR)-7,8-Dimethoxy-6-methyl-2,3,5a,6,11,12-hexahydro-1H-6,12a-diaza-indeno[7,1-cd]fluoren-3a-yl)-acetic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

50656-39-8

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50656-39-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50656-39-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,5 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 50656-39:
(7*5)+(6*0)+(5*6)+(4*5)+(3*6)+(2*3)+(1*9)=118
118 % 10 = 8
So 50656-39-8 is a valid CAS Registry Number.

50656-39-8Upstream product

50656-39-8Downstream Products

50656-39-8Relevant academic research and scientific papers

Enantioselective total synthesis of aspidophytine

Sumi, Shinjiro,Matsumoto, Koji,Tokuyama, Hidetoshi,Fukuyama, Tohru

, p. 1891 - 1893 (2003)

(Matrix presented) An enantioselective total synthesis of aspidophytine is described. The indole fragment bearing a cis-alkene substituent was efficiently prepared through radical cyclization of a 2-alkenylphenylisocyanide followed by Sonogashira coupling of the generated 2-iodoindole derivative with a functionalized acetylene unit. After formation of the 11-membered cyclic amine, the aspidosperma skeleton and lactone ring were constructed to complete the total synthesis.

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