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15622-69-2

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15622-69-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15622-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,6,2 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15622-69:
(7*1)+(6*5)+(5*6)+(4*2)+(3*2)+(2*6)+(1*9)=102
102 % 10 = 2
So 15622-69-2 is a valid CAS Registry Number.

15622-69-2Downstream Products

15622-69-2Relevant articles and documents

STUDIES IN BIOMIMETIC ALKALOID SYNTHESES-10. THE SYNTHESYS OF A 19-OXOSECODINE AND ITS CYCLIZATION TO MINOVINCINE

Kuehne, Martin E.,Earley, William G.

, p. 3715 - 3718 (1983)

The synthesis, isolation and characterization of 19-oxo Δ20,21 secodine (2) is described.This compound is first example of a stabilized, potentially reactive secodine intermediate in alkaloid synthesis.It cyclized to minovincine (1) in 77 perce

Synthesis of Vinca Alkaloids and Related Compounds. 90.1 New Results in the Synthesis of Alkaloids with the Aspidospermane Skeleton. First Total Synthesis of (±)-3-Oxominovincine

Kalaus, Gy?rgy,Juhász, Imre,Greiner, István,Kajtár-Peredy, Mária,Brlik, János,Szabó, Lajos,Szántay, Csaba

, p. 9188 - 9191 (2007/10/03)

The tryptamine derivative 1 readily reacted with methyl 4-acetyl-5-bromopent-4-enoate (9) that had been built up from 2,4-pentanedione. On intramolecular dehydration and subsequent [4 + 2] cycloaddition, the reaction product 10 gave the epimers 12 and 13 having the D-secoaspidospermane skeleton. Compound 12 directly and 13 after epimerization yielded (±)-3-oxominovincine (14). Regioselective reduction of 14 furnished (±)-minovincine (17).

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