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methyl (2S,3S,6S)-(-)-6-(tert-butyldiphenylsilyloxymethyl)-2-propenyl-3-vinylpiperidine-1-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

442202-23-5

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442202-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442202-23-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,2,0 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 442202-23:
(8*4)+(7*4)+(6*2)+(5*2)+(4*0)+(3*2)+(2*2)+(1*3)=95
95 % 10 = 5
So 442202-23-5 is a valid CAS Registry Number.

442202-23-5Relevant articles and documents

Stereodivergent synthesis of the 2,3,5,6-tetrasubstituted piperidine ring system: An application to the synthesis of alkaloids

Toyooka, Naoki,Fukutome, Ayako,Shinoda, Hiroyuki,Nemoto, Hideo

, p. 6197 - 6216 (2007/10/03)

Stereodivergent synthesis of the 2,3,5,6-tetrasubstituted piperidine ring system has been achieved by sequential stereocontrolled Michael-type conjugate addition reaction of appropriate enaminoesters. This methodology has been applied to the total synthes

Synthesis of alkaloid 223A and a structural revision.

Toyooka, Naoki,Fukutome, Ayako,Nemoto, Hideo,Daly, John W,Spande, Thomas F,Garraffo, H Martin,Kaneko, Tetsuo

, p. 1715 - 1717 (2007/10/03)

[structure: see text] Synthesis of alkaloid 223A has been achieved by sequential use of our original conjugate addition reaction to enaminoesters as the key step. The proposed structure for natural 223A (A, absolute configuration unknown) was revised to B

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